HVAC companies in Allentown, PA 18104

10 HVAC companies, with local market data for this ZIP.

Area profitability, HVAC60 / 100Strong market, crowded field
Typical home value$399,000+3.7% in the past year
New homes permitted, 2025394Lehigh County
Homeowners71.0%18,135 households

Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.

Complete Home SpecialistHVAC contractor · 143 Maple St, Allentown(484) 634-1673 · chsfirst.com
Complete Home SpecialistHVAC contractor · West End Services, 135 S 17th St, Allentown(484) 634-1673 · chsfirst.com
Dottery's Heating & Air ConditioningHVAC contractor · 3140 W Tilghman St # B, Allentown(570) 366-6445 · dotterys.com
Hannabery HVACHVAC contractor · 200 Schantz Rd, Allentown(610) 366-9400 · hannabery.com · 4 drivers, 3 trucks
HL Bowman Inc Plumbing Heating & ACHVAC contractor · 1535 Hausman Rd, Allentown(610) 860-6885 · hlbowman.com
HSA Mechanical Inc - AllentownHVAC contractor · 4764 Chapmans Rd, Allentown(610) 435-0995 · hsamechanical.com
ICS Heating & Air ConditioningHVAC contractor · 1732 W Fairmont St, Allentown(610) 432-8070 · icsheatingandac.com
Sears Heating and Air ConditioningHVAC contractor · 4701 W Tilghman St, South Whitehall Twp(484) 324-2778 · searshomeservices.com
Trane - Heating & Cooling ServicesHVAC contractor · 5925 Tilghman Street, Suite 300, Allentown(844) 797-5918 · trane.com
Trane Commercial Sales OfficeHVAC contractor · 5925 Tilghman St Ste 300, Allentown(484) 223-1730 · trane.com
Werley Heating And Air ConditioningHVAC contractor · 1820 W Fairview St, Allentown(610) 821-8414 · acehardwarehomeservices.com
Scott Williams HVACHVAC contractor · 2515 W Fairmont St, Allentown(610) 821-0958

HVAC in ZIP 18104 at a glance

Local building angle: Lehigh County permitted 394 new homes in 2025. 18% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.