About Sawbridgeworth Heating

1. What does Sawbridgeworth Heating & Air Conditioning do?
We help keep homes and businesses comfortable throughout the year. Our core services include boiler installation and replacement, boiler servicing and repairs, and air conditioning installation, servicing and repairs. From upgrading your heating to cooling a bedroom or office, we provide practical advice and a solution suited to your property.

2. Which areas do you cover?
Based in Sawbridgeworth, we serve customers across Hertfordshire, Essex, London, Cambridgeshire and Suffolk. We also consider projects elsewhere across the South and East of England. Send us your postcode and a brief description of the work, and we’ll confirm availability in your area.

3. Do you work with homeowners, landlords and businesses?
Yes. We welcome enquiries from homeowners, landlords, letting agents and businesses. Tell us about your property and equipment so we can confirm the right service and whether the work falls within our engineers’ qualifications.

4. Why choose Sawbridgeworth Heating?
We combine experienced engineers, carefully selected equipment and attention to detail with friendly, local service. Our priorities are straightforward advice, clear quotations, punctual appointments and treating your property with care, from your first enquiry through to ongoing maintenance.

5. Are your engineers qualified and insured?
Our gas boiler work is carried out by appropriately qualified Gas Safe registered engineers, and we hold insurance for the work we undertake. Air conditioning work requires the relevant specialist qualifications and, where applicable, F-gas certification. Ask us for the registration and insurance details relevant to your project.

6. How can I check an engineer’s Gas Safe registration?
Ask to see their Gas Safe ID card and check the registration through the official Gas Safe Register. The card identifies the types of gas work the engineer is qualified to carry out. Registration should cover the actual appliance and work involved, not simply gas work in general.

7. How do I request a quote?
Use our enquiry form or contact our team with your postcode and a short description of what you need. Photographs of your existing boiler, pipework or proposed air conditioning location can help. We’ll explain the next step and whether a property visit is needed.

8. Are installation quotes free?
We offer free, no-obligation installation quotes. Diagnostic visits, repairs and servicing are separate chargeable services; we’ll explain any applicable visit or assessment fee before you book.

9. What happens after I enquire?
We’ll discuss your requirements, gather the information needed and arrange an assessment where appropriate. Once the work is understood, we’ll provide a quotation and explain the proposed equipment, installation and next steps.

10. How quickly can you attend?
Availability depends on your location, the work required and our existing bookings. Tell us if you have no heating or hot water, or if someone in the property is particularly vulnerable, so we can assess the urgency and confirm the earliest available appointment. For a suspected gas leak, use the emergency guidance below.
Boiler installation and replacement

11. How do I know whether I need a new boiler?
Repeated breakdowns, unreliable hot water, expensive repairs and difficulty obtaining parts can all make replacement worth considering. Age alone is not the deciding factor. We can assess your existing boiler and explain whether repair or replacement offers the better practical solution.

12. Which boiler is right for my home?
The right choice depends on your heating demand, number of bathrooms, hot water use, available space and incoming water supply. We assess these factors before recommending a boiler, rather than choosing one solely on the number of bedrooms.

13. What is the difference between a combi, system and regular boiler?
A combi supplies heating and heats tap water on demand, usually without a separate hot water cylinder. A system boiler works with a hot water cylinder and has key heating components built into the boiler. A regular, or heat-only, boiler also generally uses a cylinder, with more components outside the boiler; traditional installations often include loft tanks.

14. Is a combi boiler suitable for a large house?
Sometimes. Suitability depends particularly on simultaneous hot water demand and the incoming water supply. A home where several showers run at once may benefit from stored hot water instead. We’ll explain the options for the way your household actually uses water.

15. What size boiler do I need?
Bigger is not automatically better. Heating output should suit the property’s heat demand, while a combi also needs enough capacity for your hot water requirements. We’ll assess both and recommend a suitable model.

16. Which boiler brands do you install?
Contact us to discuss the makes and models available for your project, including any preferred brand. We recommend equipment based on suitability, reliability, support and budget, and identify the exact model in your quotation.

17. How much does a new boiler installation cost?
The price depends on the boiler, the existing system and the work required. Relocating the appliance, changing boiler type or upgrading the flue, pipework or controls can affect the cost. Request a written quote based on your property so you know what is included.

18. What will my installation quote include?
Your quotation will describe the agreed equipment and work, the total price and any exclusions. Check it for controls, system cleaning, filters, flue work, disposal, commissioning and any electrical or making-good work. We’ll clarify the scope before you accept.

19. How long does a boiler installation take?
A straightforward replacement can often be completed within a working day, but conversions, relocations and more extensive upgrades take longer. We’ll give you a realistic schedule once we have assessed the installation.

20. Will I be without heating and hot water?
There will usually be a period when the system is isolated during installation. We’ll explain the expected interruption and plan the work with you. Tell us beforehand if there are particular household needs we should take into account.

21. Can you move my boiler to a different location?
Potentially, yes. The new position must be suitable for the appliance, flue, gas supply, drainage and future maintenance access. We’ll assess the proposed location and explain the additional work and cost before proceeding.

22. Can I switch from a regular or system boiler to a combi?
It may be possible, but it is not the right choice for every property. We’ll assess your water supply, hot water demand and existing pipework, and explain any changes to cylinders, tanks and controls.

23. Will I need new radiators or pipework?
Not necessarily. Existing components may be suitable to retain, subject to their condition and compatibility with the new system. We’ll explain any recommended upgrades and distinguish necessary work from optional improvements.

24. Do I need a power flush with a new boiler?
Your system needs appropriate cleaning, but a power flush is not automatically necessary in every case. The method should suit the system’s condition and the boiler manufacturer’s requirements. We’ll explain what is appropriate and include the agreed work in the quote.

25. Can I have smart heating controls?
Compatible smart controls can let you set schedules and manage your heating remotely. The available features depend on the boiler, controls and internet connection. Ask us which options suit your system and how you use your home.

26. Will a new boiler reduce my energy bills?
Replacing an inefficient boiler may reduce the energy needed to heat your home, particularly when the system and controls are set up well. Your actual bills also depend on insulation, usage, weather and energy prices, so a specific saving cannot be guaranteed.

27. What warranty comes with a new boiler?
Warranty length and conditions depend on the manufacturer, model and installation package. We’ll explain the cover associated with your quote. Keep the registration and service records, and follow the manufacturer’s servicing requirements.

28. What paperwork should I receive after installation?
You should receive the relevant commissioning information, operating instructions and warranty details. For applicable gas boiler installations in England, Building Regulations compliance notification is also required. Ask us how the paperwork will be provided and who is responsible for registration and notification.

29. Will you remove the old boiler and leave the area tidy?
We aim to protect your home and leave the work area clean and tidy. Your quotation should confirm removal and disposal of the old equipment and the extent of any making good. Decorating, boxing-in and other finishing work should be agreed separately where needed.

Boiler servicing and repairs

30. How often should I service my boiler?
Gas boilers should generally be serviced annually in line with the manufacturer’s instructions. Routine servicing helps identify developing problems and may be a condition of the warranty. A new boiler still needs its scheduled service. [S3]

31. What does a boiler service include?
The engineer follows the manufacturer’s service procedure, inspecting and testing the relevant components and checking safe operation. The work can include combustion checks, flue inspection and cleaning where specified. The exact procedure varies by appliance; it is more than a quick visual check. [S3]

32. How long does a boiler service take?
Allow around an hour as a general guide, although the appliance, access and required work can change this. We’ll advise when booking. If a fault needs further investigation or repair, that can require additional time.

33. How much does a boiler service cost?
Contact us for the current price for your boiler and location. We’ll explain what the appointment includes and whether any additional work, parts or repairs would be charged separately.

34. Can you service a boiler installed by another company?
Send us the make, model and any service history, and we’ll confirm whether we can help. If the boiler is under warranty, check its terms before arranging work so any particular servicing or repair requirements are followed.

35. Is servicing the same as repairing a boiler?
No. Servicing is planned maintenance of an operating appliance; repair addresses a fault or breakdown. If your boiler is not working, tell us when booking so we arrange the appropriate visit and explain the charges.

36. What if you find a problem during a service?
We’ll explain the finding, any safety implications and the recommended next step. Where additional chargeable work is needed, we’ll discuss it with you. An unsafe appliance may need to be taken out of use in accordance with the relevant safety procedure.

37. Can you repair my boiler instead of replacing it?
Often, but it depends on the fault, appliance condition and availability of parts. We’ll explain the repair option and any reasons replacement may be worth considering, so you can make an informed decision.

38. Why does my boiler keep losing pressure?
Possible causes include a leak or a fault within the system. Regularly topping it up does not resolve the underlying problem. Check the user instructions and contact us if pressure repeatedly drops; do not remove the boiler casing or attempt internal repairs.

39. What pressure should my boiler show?
The correct range depends on your boiler and system, and the reading changes as the system heats up. Check the manufacturer’s user manual rather than relying on a single rule for every appliance. Contact us if the reading is outside the recommended range or changes repeatedly.

40. Why do I have hot water but no heating, or heating but no hot water?
There are several possible causes, including controls or component faults. Note the symptoms, any error code and whether the problem affects all taps or radiators. This information helps us arrange the right diagnostic visit.

41. What should I do if my boiler displays an error code?
Make a note or take a photograph of the code and consult the user manual. Only carry out user-level checks or resets permitted by the manufacturer. If the fault returns, contact us rather than repeatedly resetting the appliance.

42. Why are my radiators cold or unevenly heated?
Possible causes include trapped air, restricted circulation, valve problems or a system that needs balancing or cleaning. The pattern of the problem helps with diagnosis. Tell us whether one radiator, several radiators or the whole property is affected.

43. Can you guarantee a first-visit repair?
A fault can sometimes be resolved on the first visit, but some repairs require further investigation or model-specific parts. We’ll explain what we find and the next steps. Repair times depend on the fault and parts availability.

44. Is a boiler service the same as a landlord gas safety check?
No. A service maintains the appliance; a landlord gas safety check fulfils a separate safety-check requirement for relevant appliances and flues. Landlords normally need the required checks every 12 months as well as appropriate maintenance. Ask which appointment and documents you need. 

45. What should I do if I smell gas?
Leave the property and call the National Gas Emergency Service on 0800 111 999 from a safe place outside. Do not smoke, use naked flames or operate electrical switches inside. Follow the emergency operator’s instructions. Do not wait for a routine appointment with us. 

46. What should I do if my carbon monoxide alarm sounds?
Move everyone into fresh air immediately and call 0800 111 999 from outside if a gas appliance may be involved. If anyone is seriously unwell, call 999. Do not use the suspected appliance again until it has been checked and confirmed safe by an appropriately qualified professional.

Air conditioning installation
47. Can you install air conditioning in my home?
We provide air conditioning installation for suitable residential properties. Whether you want to cool a bedroom, living room, home office or several rooms, we’ll assess the space and explain the equipment and installation required.

48. Do you install air conditioning for businesses?
We welcome enquiries for offices, shops and other commercial spaces. Tell us about the premises, occupancy, operating hours and existing equipment so we can assess the project and confirm the appropriate scope.

49. Can air conditioning heat a room as well as cool it?
Yes, many modern split systems are reversible air-to-air heat pumps, providing heating and cooling. Check the specification of the proposed model. Standard systems of this type heat rooms directly and do not supply your taps with hot water. 

50. What is the difference between a single-split and multi-split system?
A single-split system connects one indoor unit to one outdoor unit. A multi-split connects several compatible indoor units to one outdoor unit. The best arrangement depends on the rooms, required capacity, pipe routes and available outdoor space. 

51. Can one outdoor unit serve the whole house?
Sometimes, but there are limits to capacity, the number of indoor units and pipework lengths. Some properties are better served by more than one outdoor unit. We’ll assess the layout rather than assume one arrangement suits every home.

52. Will one indoor unit cool several rooms?
An indoor unit normally serves the space in which it is installed. Open-plan areas can work well, but separate rooms and closed doors restrict airflow. For consistent comfort across several rooms, multiple indoor units may be needed.

53. How do you choose the right air conditioning size?
We consider room dimensions, glazing, insulation, sunlight, occupancy and heat from equipment. Selecting by floor area alone can overlook important factors. Correct sizing helps the system provide comfortable temperatures without unnecessary capacity.

54. Where will the indoor and outdoor units go?
The indoor unit needs suitable airflow, access and a practical pipework and drainage route. The outdoor unit needs adequate clearance, a secure mounting position and consideration of noise and nearby properties. We’ll agree the proposed positions with you before installation.

55. Will there be visible pipes or trunking?
There will be connections between the indoor and outdoor equipment, including pipework and wiring, plus condensate drainage where required. Depending on the property, some routes can be concealed; others use surface trunking. We’ll explain how the finished installation is expected to look.

56. How much does air conditioning installation cost?
Cost depends on the number and type of units, capacity, pipe routes, access and electrical work. A single-room installation differs considerably from a multi-room project. Request a quote based on your property and the rooms you want to heat or cool.

57. How long does installation take?
The schedule depends on the number of units and complexity of the work. We’ll confirm an estimated duration after assessing the property, including any electrical work or specialist access required.

58. Is air conditioning noisy?
Noise varies by model, fan speed, operating conditions and installation position. We’ll help you compare suitable equipment and consider both indoor comfort and outdoor noise. Quiet-mode figures should not be treated as the sound level in every operating condition.

59. Is air conditioning expensive to run?
Running costs depend on electricity prices, the equipment’s efficiency, room heat gains, your chosen temperature and hours of use. Correct sizing, sensible settings and maintenance can help. We can discuss the proposed model, but cannot promise a fixed bill.

60. Do I need planning permission or a landlord’s consent?
Requirements depend on the property, equipment and installation. Do not assume that every system is automatically permitted. Check with the local planning authority where necessary, particularly for flats, listed buildings or restricted sites, and obtain any required landlord or freeholder consent before work starts.

61. Can I control my air conditioning from my phone?
Many models offer app control, either built in or through an optional accessory. Features and compatibility vary. Let us know if remote operation or scheduling is important so we can include the right option in your quote.

62. Does air conditioning bring fresh air into the room?
Most standard domestic split units recirculate room air; they are not a replacement for ventilation. Some specialist systems offer fresh-air functions, but these must be specifically included. Tell us if ventilation is part of your requirement.

Air conditioning servicing and repairs

63. How often does air conditioning need servicing?
Follow the manufacturer’s schedule and any warranty requirements. Frequency depends on the equipment, environment and usage; heavily used commercial systems can need more attention than lightly used domestic units. We’ll recommend a schedule for your installation.

64. What does an air conditioning service include?
The scope depends on the equipment and agreed service. It can include inspecting and cleaning accessible filters and components, checking drainage and assessing operation. Any applicable refrigerant leak-check duties are considered separately according to the system; not every small unit has the same requirements.

65. Can I clean the filters myself?
Many systems have user-accessible filters that can be cleaned following the manufacturer’s instructions. Switch off the equipment as directed and use only the recommended method. Leave internal electrical work and refrigerant work to appropriately qualified professionals.

66. Does air conditioning need regular regassing?
A correctly sealed system should not need refrigerant added as routine maintenance. If refrigerant is low, the cause needs investigation rather than repeated topping up. Refrigerant work must be carried out by appropriately qualified personnel. 

67. Why is my air conditioning not cooling properly?
Possible causes include settings, restricted airflow, dirty filters or a fault. Check the operating mode and user-maintenance guidance, then contact us if the problem continues. Share the model and any displayed error code.

68. Why is water leaking from the indoor unit?
A drainage or other fault may be involved. Stop using the unit and contact us, particularly if water could reach electrical equipment or damage the property. Water leaving a correctly installed condensate drain outdoors is different from an indoor leak.

69. Why does the unit smell or make an unusual noise?
Dirty components, drainage problems or a mechanical fault can cause symptoms. Arrange an inspection if the problem persists. If you notice a burning smell, smoke or an electrical hazard, stop using the equipment and seek urgent help; call 999 for a fire.

Heat pumps and choosing a system

70. What is the difference between air conditioning and an air source heat pump?
Many air conditioning systems are air-to-air heat pumps: they transfer heat to or from the air inside your rooms. An air-to-water heat pump supplies a water-based heating system, such as radiators or underfloor heating, and can heat a suitable hot water cylinder. They serve different needs. 

71. Should I choose a boiler or a heat pump?
The answer depends on the property, current system, heating needs and budget. A proper assessment should consider heat loss, emitters, hot water provision and likely running costs. Ask us to discuss which options we can support for your project.

Quotes, appointments and aftercare

72. What information should I send with my enquiry?
Include your postcode, contact details, the service required and a brief description of your property. For existing equipment, add the make, model, symptoms and any error code. Photographs can help, but never remove covers or put yourself at risk to take them.

73. Do I need to be at home for the appointment?
We need agreed access to the equipment and relevant areas. Let us know who will provide access and authorise any decisions. If you are a landlord or arranging work for someone else, discuss the access arrangements when booking.

74. How should I prepare for a visit?
Clear safe access to the boiler, indoor or outdoor units and relevant controls. Keep pets away from the working area, and have any manuals or service records available. Tell us about parking restrictions or difficult access beforehand.

75. What happens if extra work is needed?
We’ll explain what has been found and discuss any change to the agreed work and price before additional chargeable work proceeds. Immediate safety concerns may require equipment to remain out of use until resolved.

76. What if I have a problem after the work is completed?
Contact us with your details, the installation or visit date and a description of the issue. We’ll assess the concern and explain the next step, including whether it relates to our work, the equipment warranty or a separate fault.

77. How do I book a service or request an installation quote?
Contact Sawbridgeworth Heating & Air Conditioning through our website enquiry form or the contact details shown on this page. Whether you need boiler servicing in Hertfordshire, a boiler replacement in Essex or air conditioning in London, send us your requirements and we’ll confirm how we can help.

78. Do you offer emergency or out-of-hours callouts?
Yes. Please feel free to contact us. 

79. Do you offer a service plan?
Yes

80. What is the Roll the Six offer?
Book an eligible service, roll a die once the service is complete and land a six to get that service free.