Trusted HVAC Contractors in Harpenden

The highest-rated Heating & Air Conditioning companies out of 43 vetted & reviewed in the Harpenden area.

East & Gray

East & Gray

(2)
Bathrooms & Cloakrooms, Boilers & Heating, Plumbing
“Wonderful old fashioned service. Reminds me of Heartbeat the tv programme. I thought this was beautiful service.”
67 High St, Harpenden AL5 2SL
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K T H Services

K T H Services

(5)
Landlord Safety Certificates, Central Heating Installations, Energy Efficient Advice
“Good service and reliable boilers. Very professional and better value for money than than the big name. Would definitely recommend them”
35 Eastcote Dr, Harpenden AL5 1SE
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Heroes On Hand

Heroes On Hand

(21)
  • Plumbing
  • Work
  • Boiler
“Andrew did a brilliant job getting our heating & hot water working again. Quick response & turn around time and showed me the problem. Highly recommend, excellent service”
Transparent Fees & Pricing
Serving Harpenden Area
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JTS Plumbing & Heating (Cheshunt) Limited

JTS Plumbing & Heating (Cheshunt) Limited

(15)
“JTS completed a new boiler installation for us. Jordan went out of his way to ensure the job was completed as quickly as possible and was easily available to contact. The two guys carrying out the work were friendly, polite and worked really hard to ...”
Emergency Services
Serving Harpenden Area
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JLG Plumbing & Heating

JLG Plumbing & Heating

(5)
“James's team installed 2 bathrooms for us. Couldn't have asked for a better service. Professional, respectful and high quality team. We are delighted with the results. Would thoroughly recommend.”
Hemel Hempstead HP1 3JU
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I Delta Heating and Electrical Specialist Limited

I Delta Heating and Electrical Specialist Limited

(9)
Electrical, Air Conditioning, Plumbing and Heating
“We used I Delta for the complete re-wiring and re-plumbing of a Victorian house we bought recently. They came highly recommended, and I can confirm their work is excellent. The installation was done properly and tied in with boiler warranties, they p...”
Licensed
In Business Since 2019
Censeo House, 6 St Peter's St, St Albans AL1 3LF
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DMC Plumbing & Heating Services Ltd

DMC Plumbing & Heating Services Ltd

(1)
“Highly recommend Darren, we had an issue with hot water, had a look at the boiler and came out the very same day, fair price and a good service will use again, professional and friendly service”
Family Business
5C Currie St, Hertford SG13 7DA
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Chapman & Kirby Heating

Chapman & Kirby Heating

(1)
Boilers, Central Heating, Installations and Servicing
“Excellent customer service, fixed a ongoing problem with our boiler that other engineers/plumbers failed to find. Nothing was too much trouble when asked to fix another plumbing problem, getting the part needed and sorting that out too, would highly...”
11 Lyall Cl, Flitwick, Bedford MK45 1JB
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Alban Plumbing and Heating Ltd

Alban Plumbing and Heating Ltd

(30)
  • Price
  • Company
  • Pipe
“Asif was great - dealt with our long standing heating issues quickly and easily. He explained everything clearly and was super helpful. Will def use again.”
Free Initial Consultation
Coupons & Offers
Emergency Services
Family Business
Lemsford Rd, St Albans AL1 3GG
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Frostbite UK Ltd.

Frostbite UK Ltd.

(1)
“Very professional, knowledgeable and their workmanship is excellent. Great service.”
In Business Since 2007
Serving Harpenden Area
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G & A Plumbing & Heating Engineers Ltd

G & A Plumbing & Heating Engineers Ltd

(7)
“Recently had a boiler die and G & A couldn't have been quicker or more helpful. Speedy turnaround and super clean install. Recommend highly”
Serving Harpenden Area
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Advanced Heating & Plumbing

Advanced Heating & Plumbing

(25)
Plumbing, Heating, Gas
“Absolutely great quality of service and very quick work that has entirely fixed the heat system problem we were having. Genuinely nice team as well, they fixed the hinges on a door just because they noticed they were broken, it was so kind and though...”
Transparent Fees & Pricing
Emergency Services
In Business Since 2019
Free Initial Consultation
5 Leander Gardens, Watford WD25 9DW
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Greenbird Services

Greenbird Services

(30)
  • Radiators
  • Priced
  • Polite
“Aaron was very punctual and accommodating of worked asked at short notice. Work was of professional quality. I would highly recommend their services and would use again in the future.”
Transparent Fees & Pricing
Emergency Services
1 Ashley Rd, London E4 8NA
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Aqua Gas Protocol

Aqua Gas Protocol

(29)
Boiler Repair, Boiler Installation, Plumbing Services
“Had an amazing experience with Engineer Abass. He is very polite, helpful and most importantly good at his job. Thank you for fixing my boiler mate 🙏🏽 At least now I can have a shower in my own home 🫣”
Emergency Services
3 Bartholomew Cl, Milton Keynes MK7 7HH
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St Albans Plumbing & Electrical Ltd

St Albans Plumbing & Electrical Ltd

(29)
  • Price
  • Boiler
  • Efficient
“I had a boiler changed by St Albans plumbing and electrical. They provided and design my whole central heating system. Advised me what boiler will best suit my needs friendly every effective king and trust worthy. Highly recommend these guys for all ...”
Free Initial Consultation
Emergency Services
Dellfield, St Albans AL1 5HA
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Smiths Heating Services Ltd

Smiths Heating Services Ltd

(28)
Central Heating, Boiler Servicing AND Repairs, Power-Flushing
“Use this company every year for central heating maintenance. The best possible professional service. Always on time, always polite, always explain things too. Very highly recommended.”
Free Initial Consultation
Transparent Fees & Pricing
In Business Since 2019
7 Derehams Ln, Loudwater, High Wycombe HP10 9RH
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Rwph LTD

Rwph LTD

(25)
  • Price
  • Job
  • Boiler
“Great service, had a last minute rad requirement that led to such a great service we had two taps installed/toilet and a sink. Fast and efficient would highly recommend !!”
Transparent Fees & Pricing
Emergency Services
17 Waterford Grn, Welwyn Garden City AL7 2LE
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ABC Air Conditioning Ltd

ABC Air Conditioning Ltd

(28)
Maintenance, Units, Commercial
“Kevin and his team were very professional, and did an amazing job. It was great how they worked around my baby's nap times to minimise disruption to our day. The only reason they didn't get 5 stars was the responsiveness. It could have been becaus...”
Free Initial Consultation
In Business Since 2016
852 Green Lanes, London N21 2RS
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CMW Gas Heating

CMW Gas Heating

(30)
Gas Boiler Breakdown/Repairs, Gas Boiler Servicing, Conventional / System Boilers
“Old boiler and immersion heater removed, new combi boiler fitted in the loft. Excellent service, friendly and professional. Area left very tidy. Would highly recommend.”
Free Initial Consultation
Transparent Fees & Pricing
10+ Years Experience
Serving Harpenden Area
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BBS Air Conditioning Ltd

BBS Air Conditioning Ltd

(28)
Maintenance, Installation
“Everything went smoothly from the quick quote process, competitive pricing, seamless installation and a great team. Always polite and keen to help. I would recommend Spencer and his team for any AC installation”
Coupons & Offers
In Business Since 2015
71 Mitre Ct, Railway St, Hertford SG14 1BQ
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Marvel Property Solutions

Marvel Property Solutions

(26)
Plumbing Services, Boiler Installations, Fernox TF1 Omega Filter
“Great work and good prices. Only downside is communication: whilst generally good, on two occasions (of several) the engineer failed to notify us that they would be late. Or if/when they did, they told us one minute before they were meant to arrive....”
Free Initial Consultation
In Business Since 2014
944-946 High Rd, London N12 9RT
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D & D Heating

D & D Heating

(30)
  • Plumbing
  • Work
  • Communication
“Clear communication from start to finish and a very professional service. Bathroom install completed to a high standard and left the property clean and tidy. Wouldn't hesitate to recommend to others.”
Family Business
1 King's Ave, London N21 3NA
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Ugur Refrigeration and Air Conditioning

Ugur Refrigeration and Air Conditioning

(30)
  • Professional
  • Price
  • Job
“Thank you so much Ugur, your service has always been exceptional. From calling him through to coming over to work on the equipment. Very professional. I will always call him any day any time.”
Serving Harpenden Area
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A10 Air Conditioning Ltd

A10 Air Conditioning Ltd

(30)
  • Price
  • Units
  • Home
“After nearly expiring in this very hot flat last summer, decided the time had come where a/c was a necessity. Paul and the A10 team were excellent from start to finish. On time, professional, and left the place clean and tidy. Wouldn't hesitate to re...”
Emergency Services
Serving Harpenden Area
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HVAC, Heating & AC Services in Harpenden Cost Estimates

Minimum cost
£2087
Maximum cost
£12505
National Average
£6511
Avg Per Hour Rates
£174
£4469
£8628
Typical price range is based on 395 cost profiles
Click to copy
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Average Cost £6511
Minimum cost £2087
Maximum cost £12505
Avg Per Hour Rates £174

Typical range $4469 to $8628 is based on 395 cost profiles.

Why these companies made our list

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