HVAC Contractors in South Wales, NY

Adema Heating & Air Conditioning is a multi-generation, Western New York HVAC company (in operation since 1873) that specializes in heating, cooling, ductless systems, hot water, standby generators, indoor air quality, commercial solutions and repair services with particular expertise in historic homes. Adema Heating & Air Conditioning focuses on providing skilled, honest service through experienced technicians, offers energy-efficient upgrades and financing/rebate guidance, and is committed to maintaining comfort for residential and commercial clients across the Buffalo area while upholding a long family-owned tradition of customer service.

Climate Diagnostics LLC is a Buffalo-based residential and commercial heating and cooling company founded by Brian Lorek that provides HVAC design, installation, repair, duct repair, indoor air quality solutions, and maintenance services across Erie County. Climate Diagnostics LLC aims to deliver high-quality heating and cooling systems at competitive prices while keeping jobsites neat and providing transparent, customer-focused service; the company emphasizes experienced technical staff (25+ years combined experience), a one-year labor warranty on installations, money-saving service and maintenance contracts, and authorized-dealer partnerships with brands such as RUUD and Mitsubishi.

Isaac Heating & Air Conditioning is a family-owned full-service HVAC, plumbing, electrical, insulation, and commercial services company serving multiple regions across New York (Rochester, Canandaigua, Avon, Twin Tiers, Syracuse, and Buffalo). Isaac Heating & Air Conditioning provides installation, repair, and maintenance for heating and cooling systems (furnaces, boilers, heat pumps, central and ductless AC), plumbing services (drains, sewer repair, water heaters, sump pumps, leak detection), electrical work (repairs, panels, generators, lighting), insulation and air-sealing, and commercial HVAC solutions, backed by licensed technicians, 24-hour emergency service, membership/care plans, financing options, and a focus on responsive, transparent customer service and community-oriented support.

JP Heating & Cooling, LLC is a Buffalo-based HVAC contractor serving Erie County since 1979. JP Heating & Cooling provides residential and commercial heating and cooling installation, repair, and maintenance services — including furnaces, boilers, heat pumps, central and ductless air conditioning, HVAC control systems, thermostats, and energy-efficient solutions — and the company offers emergency service, routine tune-ups, and service for a wide range of major HVAC brands, operating locally from 2060 Niagara St with phone support at (716) 621-2842.

O'Donnell Heating & Air Conditioning, Inc. is a family-operated HVAC and plumbing company serving Amherst, Buffalo, and surrounding Western NY communities since 1961. O'Donnell provides heating and air conditioning installation, repair, and maintenance (including furnaces, boilers, heat pumps, ductless systems, zoning, and garage heating), plumbing services, indoor air quality solutions, sheet metal fabrication, oil-to-gas conversion, WiFi thermostats, and financing options, and the company offers 24/7 emergency service, prompt response, competitive pricing, and a two-year repair guarantee from its base at 2032 Eggert Rd with phone (716) 836-8000.

Radiant Mechanical (Mechanical Services by Radiant Inc.), established in 2004 and based at 1509 Clinton St., Buffalo, NY, is a full-service home services contractor serving Western New York that provides licensed plumbing, heating and air-conditioning, electrical work, and general construction and remodeling. Radiant Mechanical offers installation, repair, maintenance, drain and sewer services (including camera inspections and excavation), tankless water heater solutions, HVAC system work and air-quality services, and kitchen and bathroom remodeling, with a focus on honest, affordable, and efficient service delivered by experienced technicians who provide accurate estimates and fast response.

Reimer Home Services is a Western New York home services company founded in 1921 that provides day-or-night HVAC, plumbing, and electrical services across Buffalo, Rochester, Albany and surrounding communities. Reimer Home Services offers air conditioning and heating installation, repair, and maintenance (including furnaces, boilers, heat pumps, ductless systems), plumbing services such as drain cleaning, sewer-line work, water-heater repair and tankless installations, electrical services including panel upgrades, EV charger and whole-home generator installation, and indoor air quality solutions and air-scrubber installations; the company also provides maintenance plans, financing options, multiple service locations (Cheektowaga, Hamburg, Rochester, Clifton Park), a 24/7 call center, and multiple customer satisfaction guarantees.

T-Mark Plumbing, Heating, Cooling & Electric is a Western New York full-service plumbing, HVAC and electrical contractor with more than 20–25 years serving Buffalo and surrounding communities. T-Mark Plumbing, Heating, Cooling & Electric provides 24/7 emergency service plus installation, repair, and maintenance for plumbing, heating and cooling systems (furnaces, boilers, heat pumps, air conditioners, ductless systems), water heaters (tank and tankless), drain and sewer services including video inspections and replacements, and a wide range of electrical services from panels and lighting to standby generators and EV chargers, operating multiple local offices and focused on fast response, energy-efficiency upgrades, financing options, and customer satisfaction.

Zenner & Ritter is a Buffalo-based full-service HVAC, plumbing, air quality, and generator company with decades of local experience serving Western New York. Zenner & Ritter provides installation, repair, and maintenance for heating and cooling systems (furnaces, boilers, heat pumps, ductless systems, and central A/C), plumbing services including tank and tankless water heaters and sump pumps, whole-house air filtration and duct services, and generator sales, installation, and maintenance; the company offers 24/7 emergency service, flexible financing, and Priority Partner maintenance plans focused on reliability, energy efficiency, and long-term customer satisfaction from its Buffalo location at 3404 Bailey Ave.