Our Services
Air Source Heat Pumps
Premium Vaillant and Worcester Bosch air source heat pumps, supplied, installed and commissioned by local, experienced engineers. Full property assessment, grant advice and reliable aftercare.
About This Service
Professional Air Source Heat Pumps Across Monmouthshire, Gwent and Cardiff
Using premium-grade Vaillant and Worcester Bosch air source heat pumps with modern inverter technology, JSM Heating supplies and installs systems carefully sized for each property. We start with a site survey and heat-loss calculation, advise on funding options such as the Boiler Upgrade Scheme, then complete full installation, commissioning and aftercare with a 12-month workmanship guarantee.
Our Process
How It Works
Property assessment & sizing
On-site survey and heat-loss calculation to select the right heat pump size and determine whether low-temperature radiators, underfloor heating or a thermal store are required.
Quote & grant advice
Detailed written proposal showing recommended kit (Vaillant or Worcester Bosch options), system layout and guidance on grants such as the Boiler Upgrade Scheme.
Install, commission & handover
Full installation, system commissioning, user walk-through and aftercare plan with an offer of ongoing servicing and a 12-month workmanship guarantee.
Benefits
Why Choose us for Air Source Heat Pumps?
Premium kit from trusted brands
We install Vaillant and Worcester Bosch heat pumps and matching controls, using inverter technology for efficient running and reliable performance across Welsh winters.
Local, experienced engineers
24+ years' trade experience from a Penperlleni-based, family-run team — Gas Safe registered for gas work, fully insured and focused on tidy, practical installations.
Complete aftercare and support
We advise on grants, handle commissioning, provide user training on the day and offer ongoing servicing so your system runs efficiently for years.
Air source heat pumps perform best when matched to the property and circulation system. We carry out a full site survey and heat-loss calculation before recommending a Vaillant or Worcester Bosch unit, and we’ll flag whether low-temperature radiators or underfloor heating will improve efficiency. Jamie handles installations across Monmouthshire, Gwent and Cardiff, with work covered by our 12-month workmanship guarantee and public liability insurance.
What to expect on the day of install:
External unit siting and vibration mitigation
Internal cylinder or thermal store installation where needed
Controls, thermostats and commissioning to optimise COP
Customer handover including how to operate and maintain your system
FAQ
Frequently Asked Questions
Many older homes can accept a heat pump, but performance improves with better insulation and lower-temperature emitters. We carry out a heat-loss assessment at survey and will advise whether radiators need upgrading or if a hybrid solution is more appropriate.
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Other Services We Offer
Ready to switch to a heat pump?
Book a free survey with our team — call 07388696835. We'll assess your home, explain grant options and provide a no-obligation proposal.
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