Business Details
Trusted Heating & Air Conditioning Services in Leicester
Chiswell Heating has been serving Leicester and surrounding areas for over half a century, combining three generations of expertise with modern technical proficiency. Our Gas Safe registered engineers specialise in boiler installations, heating system upgrades, and air conditioning solutions, backed by Baxi Approved and Worcester Accredited status. With a dedicated Castrads radiator showroom and fully stocked warehouse, we deliver immediate service capabilities and tailored solutions. Our commitment to transparency is demonstrated through our online quote calculator and 10-year warranties on A-rated boilers.Holding comprehensive insurance and CRB certifications, we maintain strict compliance with industry standards while offering flexible financing options through TradeHelp Ltd. Our team of certified professionals combines technical excellence with personal service, ensuring both residential and light commercial clients receive expert care. With over 500 high-quality reviews and 1,000+ installations, we remain a trusted local partner for complete climate control solutions.
Services
Boiler Installations
Heating Repairs
Air Conditioning
Gas Safety Checks
Radiator Services
Smart Thermostats
Plumbing Maintenance
System Servicing
Emergency Repairs
Warranty Extensions
Highlights and features
- We offer 50+ years of combined experience in domestic heating solutions
- Our engineers are Gas Safe registered with Baxi and Worcester accreditations
- We operate the only dedicated Castrads radiator showroom in the Midlands
- We provide 0% interest finance options through FCA-authorised partners
- We guarantee 10-year warranties on all new A-rated boilers installed
Associations and certifications
- Baxi Approved
- Worcester Accredited
- Gas Safe Register: 305013
What people say
Reliable service
Expert advice
Tailored solutions
Prompt response
Professional engineers
Services
Boiler Installations
We specialise in A-rated boiler installations with up to 10-year warranties. Our Gas Safe engineers complete most installations within 24 hours, offering same-day emergency replacements. All installations include free home assessments and transparent pricing.
Heating Repairs
Emergency heating repairs available seven days a week. Our certified engineers handle all brands and models, with most parts kept in stock for immediate fixes. We provide 24-hour callout service during winter months.
Air Conditioning
Worcester Bosch air conditioning installations for residential and light commercial properties. Systems feature dual heating/cooling functions with A++ energy ratings. We offer complete maintenance packages and 0% finance options.
Gas Safety Checks
Annual gas safety inspections conducted by Gas Safe registered engineers. Includes pipework checks, appliance testing, and certificate provision. Required for landlords and recommended for all gas users.
Radiator Services
Full radiator installation and pipework services using Castrads cast iron models. Includes system flushes, pressure testing, and smart thermostat integration. Showroom available for product comparisons.
People
Mark Chiswell
Managing Director
Third-generation heating engineer with 30+ years' experience. Leads technical operations and customer service. Gas Safe registered with Baxi and Worcester accreditations.
Paul Chiswell
Director
Senior engineer with 45+ years in boiler systems. Specialises in complex installations and system diagnostics. Maintains Gas Safe and CRB certifications.
Melissa Chiswell
Office Manager
Coordinates customer service and logistics. Manages showroom operations and appointment scheduling. Holds NVQ Level 3 in business administration.
Vincent Smith
Lead Engineer
Gas Safe registered engineer specialising in air conditioning installations. Holds F-Gas certification for refrigerant handling. Provides technical training to apprentices.
Joshua Chiswell
Apprentice Engineer
Trainee engineer completing Level 3 apprenticeship in domestic heating. Assists with installations and maintenance under senior engineer supervision.
Questions
Do you cover areas outside Leicester?
We primarily serve Leicestershire with minimum callout charges starting at £85 for outlying areas.
Can I get same-day boiler installation?
Most boiler installations can be completed the next day following site survey and confirmation.
Are your engineers qualified for gas work?
All engineers hold Gas Safe registration (number 305013) for natural gas installations and repairs.
What payment options are available?
We accept card payments, cash, cheques, and bank transfers. 0% interest finance options available.
Do you offer commercial air conditioning?
Yes, we install and service light commercial units for offices and small businesses in Leicester.
Are you manufacturer-recommended installers?
We're approved installers for Baxi, Worcester Bosch, and Castrads with full factory warranties.