Hertfordshire · Heat pump installation
Air Source Heat Pumps in Park Street
Expert air source heat pumps for Park Street: a survey or diagnosis, a fixed price, careful work and proper paperwork. Ask us for a fixed-price quote.
- No space for a hot water cylinder
- Working out whether radiators need upsizing
- An oil, LPG or gas boiler near the end of its life
Air source heat pumps in Park Street
An air-to-water heat pump heats water to a lower temperature than a typical boiler which means some radiators may need upsizing. The survey shows which rooms are fine and which need changes and anything that needs changing is in the quote. We are often asked to deal with wanting to stop using oil, LPG or gas for heating and a boiler that’s getting old, on hot water cylinders, air-to-water heat pumps and air-to-air heat pumps.
Homes around Park Street typically have room outside for a heat pump, so the design comes down to heat loss, radiators and hot water.
AirCon Doctor is an F-Gas certified company and NICEIC approved for electrical work, with MCS certification for heat pumps and Checkatrade membership. Refrigerant work is done by engineers who hold the F-gas qualifications the law requires.
- Place
- Park Street (AL2)
- Wider area
- Hertfordshire
- Credentials
- F-Gas certified company, NICEIC approved, MCS
- Quote
- Fixed, in writing
- Guide price
- £8,000–£16,000 before the grant, 0% VAT on homes
- Call
- 07833 053749
- Last updated
- 30 October 2026
What happens on the day
Each visit runs to the same pattern: check the plan with you, protect the area, do the work, check the system and talk you through it. On site, the work takes a few days on site, depending on the cylinder, the radiators and the pipework involved. Somewhere like Park Street, it helps to know about lanes, gates and where to park.
- We find out about your home and the heating you have now.
- We measure heat loss for every room.
- We design the system, check the radiators and cylinder and look at the outdoor unit position.
- You get a fixed price, with any grant and the VAT set out.
- Installation, commissioning and MCS registration complete the job.
Before we arrive
- Mention any managing agent or landlord rules we need to follow
- Make sure we can reach the consumer unit or fuse board
- Plan for pets to be kept clear during the visit
How to get a quote
To help us quote: the address and the type of property, pictures of the rooms or units, the make and model of any existing system and any symptoms, from error codes to drips. Then give us a ring on 07833 053749 or drop us a line.
Advice
Also near Park Street
Also in Park Street
Owner checks or an engineer?
For air conditioning, cleaning the indoor unit’s filters is the main job owners can do where the manufacturer’s manual explains how. With the power off, they lift out, can be vacuumed or rinsed and must be fully dry before they go back. For a heat pump, the main owner jobs are a clear outdoor unit and sensible control settings.
There are a few things you can safely do yourself: keeping the outdoor unit clear, checking the mode and set temperature, and the routine cleaning in the manual. Opening up the units, the electrics and the refrigerant circuit are a job for us.
Common questions in Park Street
Is the heat pump grant available in Park Street?
Yes, if the home and the heat pump meet the scheme’s rules: Park Street is in England, where it applies. The grant is £7,500 for an air source (air-to-water) heat pump and £2,500 for an air-to-air system that replaces the existing fossil-fuel heating. We hold MCS certification, so the application is ours to make for you.
Is Park Street within the area you cover?
We do. Villages and hamlets get the same service as the bigger towns. Send a few details and photos, and we reply the same working day.
Can I do the refrigerant work myself?
Not the refrigerant work. The F-gas rules require certified companies and qualified engineers for it, and a new electrical circuit is notifiable building work unless a registered competent person does it.
Do you work on all makes?
Mitsubishi Electric, Daikin, Fujitsu, Panasonic, Toshiba, LG, Samsung, Mitsubishi Heavy Industries, Hitachi and others. For new systems, we recommend a brand and model to suit the job and explain why.
Can you come out in an emergency?
Yes. Our emergency line runs 24/7 for problems that cannot wait for a planned visit. Ring 07833 053749 any time and explain the problem.
Do you look at the job first?
Yes. For simple jobs, pictures and a few details can be enough, while larger systems and faults that need testing are seen on site.
What does an air-to-water heat pump cost?
Air-to-water systems are £8,000–£16,000 (0% VAT on homes), before any grant. The final price depends on the heat loss survey, the radiators and the cylinder, and you get a fixed-price quote.
Air source heat pumps around Park Street
Park Street’s centre falls inside the Park Street and Frogmore Conservation Area. About 18 listed entries lie within half a mile of central Park Street, Toll Cottage (grade II) among them. Where a home is affected, the outdoor unit position is settled with St Albans City council, normally the planning authority here before the heat pump design is finished. VOA council tax data date about 40% of homes in Park Street and the neighbourhoods around it to the post-war years, 1945 to 1972, and the last census (2021) found about 62% of households in detached or semi-detached houses. Homes of that age often have cavity walls that may or may not be insulated, which the survey checks. Detached and semi-detached houses normally have room for the outdoor unit and a cylinder.
For a home near Park Street station, the survey looks at whether an air-to-water or air-to-air heat pump suits better. If your home is one of the older properties near Church of the Holy Trinity, the survey checks whether it’s listed or in a conservation area before the outdoor unit position is chosen.
Park Street is about 2 miles south of St Albans, in Hertfordshire. Whether you are in the middle of Park Street or further out, we cover air source heat pumps, from a single room to a whole building. Across Hertfordshire, we cover 381 places, Park Street among them. The nearest of our city pages is London, around 19 miles from Park Street.
Our engineers cover all of AL2 and the streets around it. Park Street, Burydell Lane and Oliver Close and the roads off them are all inside our area. Close to Park Street, our area also takes in Frogmore (1 mile south-east), How Wood (1 mile south-west), Chiswell Green (1 mile west), Sopwell (1 mile north) and Colney Street (1 mile south-east). We also work in nearby towns such as Watford (5 miles south-west), Hemel Hempstead (6 miles west), Stevenage (14 miles north-east) and Welwyn Garden City (8 miles north-east).
Landmarks near Park Street
Around Park Street, our work takes us to homes and businesses near The Falcon pub, Marlborough Science Academy and Verulamium Park, among other places. There’s a railway station in Park Street itself: Park Street station. Nearby you’ll also find Hypocaust Museum (1.9 miles north) and Napsbury Hospital (1.3 miles east). For a walk, there’s Verulamium Lake and Broad Colney Lakes.
Let and managed properties
Facilities teams in offices, schools and public buildings book us too in Park Street and across Hertfordshire. Work can be phased by floor, zone or building to keep disruption down.
Under the GB F-gas rules, responsibility for leak checks is shared between whoever operates the equipment and the engineers who work on it. Where a building is let or managed, the lease or contract should make clear who looks after the system, and we can work for either side.
Why it’s worth doing now in Park Street
If the emitters cannot give out enough heat, some rooms won’t get warm enough. Checking and upsizing them as part of the installation avoids that. Small faults tend to grow, so it’s worth dealing with them early.
Our prices page shows typical ranges, but each job is priced on what it involves. Call for a fixed-price quote, and we’ll explain what it covers.
Why book with us
- Enquiries answered the same working day
- We diagnose before we treat
- An F-Gas certified company, as the law requires
- One number for homes and businesses across London and the South East
What a customer said
“Office air con broke down in the July heatwave. Called at 8am, engineer was here by noon and fixed within 2 hours. Brilliant emergency response. They now hold the service contract for the whole building.”
James T., Crawley, office manager