34 companies rated in this category
🏆 See the best energy & heating companies of 2026 →
Vaillant is a leading manufacturer of boilers, heat pumps, and heating systems for residential and commercial use in the UK.
Baxi manufactures and supplies heating and hot water solutions, including boilers, air source heat pumps, cylinders, and related accessories.
Fischer is a UK-based manufacturer and supplier of German electric home heating systems, offering modern electric radiators and heating solutions for residential use.
A sustainable installation technology company serving residential and commercial properties in the Randstad region of the Netherlands, specializing in energy-efficient heating and climate systems with over 25 years of experience.
FavorCool is a Belgian installer of air conditioning systems, heat pumps, and solar panels, providing climate control solutions for residential properties.
TOSOT Direct sells energy-efficient HVAC systems including mini-split air conditioners, central AC units, and heat pumps, manufactured by GREE Electric Appliances.
Vestklima ApS provides cooling and heat pump service along the west coast of Denmark, from Rømø to Thyborøn.
A Chicago-based HVAC contractor providing heating, cooling, electrical, and plumbing services.
Cielo WiGle manufactures smart thermostats designed for mini-split and central HVAC systems, enabling users to control home climate with energy-efficient, DIY-installable devices.
Trotec provides air and water conditioning solutions for industry, leisure, and building sectors, offering products such as dehumidifiers, heaters, fans, and air purification systems for rent or purchase.
Supplier and installer of energy-efficient, quiet air conditioning systems without outdoor units that provide both cooling and heating.
Sycous provides metering, remote data collection, and billing solutions for heat networks and district heating systems.
A UK-based company providing gas boiler services and inspections carried out by Gas Safe registered engineers, including safety checks, pressure testing, and ventilation assessments.
EPA-certified HVAC company providing AC repair, heating service, and HVAC installation in Phenix City and East Alabama, with 24/7 emergency service.
A heating company specializing in new boiler installations, helping customers choose the right boiler for their home and budget.
A UK-based company that installs renewable energy systems in homes to help reduce energy bills and promote greener living.
Italian retailer specializing in heating and air conditioning products, offering air conditioners, climate systems, stoves, and boilers from leading brands at discounted prices.
TURBRO manufactures and sells HVAC products including mini split air conditioning systems, rooftop RV air conditioners, and pool heat pumps.
A heating, ventilation, and air conditioning service company offering 24-hour emergency HVAC repair for residential and commercial properties in the Dallas-Fort Worth area.
Italian company with over 40 years of experience in the heating sector, manufacturing heating products with a focus on technology and quality.
A company that designs, installs, and maintains renewable energy systems for homes, aiming to reduce carbon footprints and energy bills.
Residential HVAC company providing repair, installation, and maintenance services for homeowners in the Charlotte, North Carolina area.
LEDRadiant sells commercial and industrial LED lighting fixtures, including high bay, low bay, strip, street, and flood lights.
An HVAC contractor in Chicago offering AC, furnace repair, and installation services with flat-rate pricing.
