From boiler installations to air conditioning systems, our team delivers reliable heating & cooling solutions across South Yorkshire and nationwide.
28+ Five-Star Reviews
“Fantastic service all round. I definitely recommend getting in touch for any work you need 👍”— Rob Mc
Services
Heating & Cooling Solutions
Expert heating services across South Yorkshire and nationwide.
Boiler Installation & Replacement
Planned boiler installations for homeowners, property managers, councils and commercial customers across South Yorkshire and nationwide.
Air Conditioning Installation
Planned air conditioning installation for homeowners, businesses, property managers and builders across South Yorkshire and nationwide, with clear advice from start to finish.
Boiler Servicing
Keep your boiler operating safely and efficiently with planned servicing from a Gas Safe business serving South Yorkshire and nationwide.
Emergency Heating Call-outs
When your heating stops working, get professional support without unnecessary delay. Same-day emergency call-outs are available across South Yorkshire and nationwide.
About Us
Planned Heating Work, From Repairs to Large Projects
AAJH BOILER, HEATING & AIR CONDITIONING is a small, hands-on heating and air conditioning company based in Rotherham.
Our Gas Safe and F-Gas registered engineers handle everything from boiler servicing, repairs and power flushing to new boiler and AC installations, for homes, businesses, property managers, builders and councils across South Yorkshire and nationwide. You’ll deal directly with an experienced engineer, get honest advice across all major brands and receive a transparent quote with no hidden costs.
“Every job gets our full attention”
- Same-day emergency heating call-outs available
- Minimum of 12 months guarantee
- Boiler service plans available from £10 a month
Our Simple Three-Step Process
How It Works
01
Get in Touch
Give us a call or drop us a message with details of what you need, and we'll get back to you promptly to discuss your requirements.
02
We Assess & Advise
One of our registered engineers will assess the work required and provide you with clear, honest advice and a transparent quote - no hidden costs.
03
Job Done Right
We carry out the work to the highest standard, leaving your home clean and tidy and your system running exactly as it should.
Why Choose Us
Why Choose Us
South Yorkshire and nationwide
Serving South Yorkshire and nationwide, the team supports heating and air conditioning projects wherever they're needed.
Gas Safe and F-Gas Registered
Every boiler and air conditioning job is carried out by registered, fully qualified and insured engineers, so the work meets the required legal and safety standards.
All Major Brands Covered
Not being tied to one manufacturer means you get honest advice on the boiler or AC system that best suits your property and budget.
Testimonials
What our clients say about our work
“Gregg was amazing! I couldn’t recommend him enough. He was professional and polite. He solved the problem with the boiler quickly and efficiently. I feel like I can breathe a sigh of relief now. I will definitely be booking him for future boiler needs. Thank you so much Gregg. You was an absolute live saver today.”
Victoria Trappitt
Google
Google“Fantastic job fitting a new Aircon into the house, looks and works fab, cleaned up everything like he'd never been too, so very happy with the work.. Gregg is a lovely guy and I cannot recommend enough.”
Wendy Maran
“I cannot recommend Greg enough! Absolutely fantastic from start to finish, AirCon in the bedrooms is a game changer. They were so tidy too and the outside is so neat. 5 ⭐️ workmanship. Thanks lads!”
Nell Plunkett
Arrange Your Heating Work
Speak to AAJH BOILER, HEATING & AIR CONDITIONING about boiler installation, repairs, servicing, central heating, air conditioning or a larger planned project across South Yorkshire and nationwide.