Our Services Heating & Cooling Residential HVAC Services in PA For all of your HVAC needs, you’re in good hands. Certified, Experienced & Professional HVAC Services in Lancaster, PAIf you’re like most people, worrying about fixing your heating and cooling system is not your idea of a good time. We get that. That’s why our NATE-certified HVAC experts are here to provide you peace of mind by resolving any heating and cooling issues quickly and properly. We offer a variety of heating and cooling solutions that fit any budget, including preventative maintenance solutions and financing for those unavoidable repair costs. Along with providing our expertise, we strive to keep a smooth and transparent customer experience.Ready to begin? You can book an appointment with us, or try HomeX Remote Assist to get your repair started over the phone.Book OnlineTRY REMOTE ASSISTHeating & Cooling Services in Allentown, Lancaster, York, Exton and HarrisburgWe help customers analyze and choose dependable, high-efficiency heating and air conditioning repair and replacement options.Heating & Cooling MaintenanceAn ounce of prevention is worth a pound of cure when it comes to your heating and cooling systems. Routine maintenance is key to prolonging the life of your systems.maintenance RepairsLike most things, nothing lasts forever. When unexpected failures happen, our technicians are here to diagnose and repair your heating and cooling systems in no time.RepairsInstallationsFrom a simple ductless mini-split to a full duct installation, we prioritize you and your home with our fast-track timeframe, providing the best HVAC solutions to you as fast as possible.InstallationsSmart MaintenanceMaintenance just got smarter with 24/7 system monitoring, including real-time updates and emergency notifications. Ductless SystemsWhether cooling a new addition or finding a solution for your whole home, ductless HVAC systems offer many options for homes with or without existing ductwork.Ductless System ServicesBoilersOur team of experts are trained to repair, install, and maintain oil, propane, natural gas, and electric boilers, regardless of the application.GeothermalLooking for a more environmentally friendly heating and cooling option? We are a leading provider of geothermal system installations.Geothermal servicesIndoor Air QualityThe air in your home should be of the highest quality. We offer a variety of indoor air quality products, including whole-home dehumidifiers, UV lights, air purification systems, and more.Indoor air quality services Specials & Discounts FREE Cooling System Estimate Call to Redeem Call 1 (888)-565-0546 $100 OFF an Air Scrubber Installation 100OFFAS Call to Redeem Call 1 (888)-565-0546. One per customer. Not to be combined with any other offer. $50 OFF Any Repair 50OFFSC Call to Redeem Call 1 (888)-565-0546. One per customer. Not to be combined with any other offer. FREE Heating System Estimate Call to Redeem Call 1 (888)-565-0546 0% FINANCING for 60 Months Call for Details Call 1 (888) 565-0546. Subject to credit approval. Only on qualifying Carrier home comfort systems. Excludes boilers. Additional Heating & Cooling Services in Eastern & Central PAOil to gas conversionRadiant systemsAir conditioning systems and heat pumpsGas, propane, oil-forced air furnaces & boilersSmart and programmable thermostatsOil furnace maintenance & installationDuct cleaningWhole-house humidifiersWhat Makes Haller Heating & Cooling DifferentWe have over 35 years of experience providing the best heating and air conditioning solutions in PA.TrustworthyOur background-checked, NATE-certified technicians arrive in marked vans and recognizable uniforms with shoe covers and drop cloths to protect your home.ReliableNo question is too big or too small. With expert techs available 24/7, we can answer any questions you have about your heating and cooling systems. SupportiveWe’re here when it’s convenient for you, offering regular hours on Saturdays, as well as emergency service 24/7, all-year-round.EfficientWith our online scheduling tool, get the help you need, when you need it.Our Central Pennsylvania HVAC Residential Service AreaLehigh CountyChester CountyDauphin CountyLancaster CountyYork CountyAnd More!Looking to replace or install a new heating and cooling system but don’t know where to start?We can help. Thanks to HomeX Remote Install Quote service, you can virtually connect with a heating and cooling design & sales specialist to diagnose and solve your problem: Using live video chat, our experts can determine the right system for your home, provide an accurate quote within an hour, and arrange installation for as early as the next day. Less stress, fewer visits, better results. Go to remote quote