We're Open and Here for You! - Click Here to Learn More Lancaster, PA Change Location (717) 276-0271 MATT & SCOTT THE ONE HOUR GUYS Lancaster Heating & Cooling Experts Heating Services Cooling Services Emergency Services We’re Here For You Around The Clock Get in Touch Contact Our Comfort Specialist Today Don't Let "Small" Problems Turn Into Big Ones. The One Hour Guys Can Help. Some of Our Specialties Furnaces Air Quality Emergency HVAC Services Ductwork Thermostats Heating View More Services Need Help Now? Call Us 24/7 (717) 276-0271 Special Offers Backed by Our 100% Satisfaction Guarantee $142 Maximizer Gas Furnace or Heat Pump Maximizer. Oil-Fire Not Included. One Hour Heating & Air Conditioning® of Southeast Pennsylvania Coupon must be presented at time of purchase. Cannot be combined with any other offers or discounts. Management reserves the right to modify offers at any given time. Some restrictions may apply. Expires Dec 31, 2021 10% Off Any Service for Veterans, Active Military, Active First Responders One Hour Heating & Air Conditioning® of Southeast Pennsylvania Coupon must be presented at time of purchase. Cannot be combined with any other offers or discounts. Management reserves the right to modify offers at any given time. Some restrictions may apply. Expires Dec 31, 2022 See All Coupons Lancaster HVAC Company Air Conditioning & Heating Service in Lancaster & Southeast Pennsylvania The One Hour Guys are One Hour Heating & Air Conditioning® of Southeast Pennsylvania, premier provider of HVAC services in Lancaster County and throughout Southeast Pennsylvania. Our technicians are well-equipped and highly-trained to get you the most comfort in your home, whatever heating or air conditioning problem you may have. We believe in providing old-fashioned customer service. We serve without ever selling. Whether it's installing a new AC or showing up at 3 AM to fix a broken water heater, our priority is your comfort. That means sending only trustworthy, background-checked technicians with all the equipment they need to handle any HVAC problem. If you want excellent service paired with durable repairs, call our HVAC technicians today! Guaranteed AC Repair in Lancaster, PA Part of our commitment to excellent customer experiences is ensuring every part of your service exceeds your expectations. That's why we guarantee all our HVAC repairs and installations in Southeast Pennsylvania for up to two years after each service. From arriving on time, carefully listening to you, and providing a clear invoice with no hidden fees, everything our heating and AC professionals do is designed to get you the most comfort in your home. The One Hour Guys proudly serve customers throughout York, Reading, Lancaster, Doylestown, Harrisburg, and all of Southeast Pennsylvania. ALWAYS ON TIME... OR YOU DON'T PAY A DIME!® ‘Round the Clock Availability No matter the hour, you can trust One Hour to be there to help you when you get hit with the unexpected. 100% Satisfaction Guarantee We guarantee our materials, labor, and craftsmanship for up to two years from the date of your service. We Love What We Do Our trained Comfort Specialists are friendly, knowledgeable, and genuinely love helping people. Learn More About Us Maintenance Plans Request an Appointment Career Opportunities Customer Reviews 1 / 2 Here for You Around the Clock Our Comfort Specialists are available to help, no matter the time of day. If you're in need of emergency services, we've got you covered 24/7. Contact Us Today Tips from Our HVAC Experts How to Adjust a Hot Water Heater | Hot Water Heater Settings Read More How To Reset a Carbon Monoxide Detector & Perform Testing Read More Can Dogs Smell Carbon Monoxide? | Carbon Monoxide and Pets Read More View All Tips Part of the Authority Brands Family 1 / 4 Services About Us Our Guarantees Careers Request Appointment Here for You Around the Clock! (717) 276-0271 Lancaster, PA 17601 Change Location License PA#009162 Site Map Terms of Use Privacy Policy Accessibility ALWAYS ON TIME... OR YOU DON'T PAY A DIME!® © 2021 One Hour Heating & Air Conditioning® of Southeast Pennsylvania. All Rights Reserved. Do Not Sell My Information - California Residents Hi, thank you for visiting. Start Live Chat!