Gaithersburg Heating & Cooling Experts
What Do You Need Help With?
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Emergency HVAC Services
If your HVAC system fails you when you need it most, you can count on the reliable services of One Hour Heating & Air Conditioning. Our heating and air conditioning experts can solve your HVAC issues quickly and effectively.
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Air Conditioning
At One Hour Heating & Air Conditioning, our team takes the frustration out of air conditioning repair, installation, and maintenance.
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Air Quality
We're highly trained and experienced professionals partnering with you to make your home feel like home again.
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Thermostats
We're dedicated to the safety and well-being of your family long-term and deliver comprehensive thermostat solutions for homeowners.
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Heating
Heaters should work as efficiently, reliably, and powerfully as possible to keep you comfy and keep your bills low.
Always On Time...
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‘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.
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100% Satisfaction Guarantee
We guarantee our materials, labor, and craftsmanship for up to two years from the date of your service.
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StraightForward Pricing® Guide
Before we start any work, we discuss your available options so you know exactly what you are getting and how much it will cost. No hidden fees!
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Always On Time…Or You Don’t Pay A Dime!®
We understand your time is valuable, so we promise to arrive at your home within the predetermined time window that you select, or your service call is free.
Awards
Our Happy Customers
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.
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“Rudy was great. Very friendly and professional. Gave me three options to choose from”
- Kelly F | Montgomery Village, -
“Larson thoroughly explained all my options with my unit. Very professional and nice!”
- Karen M | Germantown, -
“Excellent work, as usual!”
- Jeanne M | Rockville, -
“Larson had been had serviced our HVAC system a number of times and has always done an excellent job. This time was no exception. Apart from a thorough heat system check and displaying all the results ...”
- Robert S | Rockville, -
“Chris was not only personable but very thoughtful and professional. A rare combination these days. So glad he was our technician!”
- Lisa T | Gaithersburg,
AC & Heating Company In Gaithersburg
Keeping You Comfortable All Year Long
When the weather outside is unbearable, you want to know that the temperature inside your home will always provide the relief you need. At One Hour Air Conditioning & Heating® of Gaithersburg, we are here to ensure that’s always the case. We are an AC and heating company in Gaithersburg that provides a wide range of repairs, replacements, and maintenance services. The seasons in Maryland can be tough, from bitterly cold winters to hot and humid summers. You deserve the peace of mind of knowing that your HVAC system is prepared for anything Mother Nature has in store.
In addition to heating and cooling services, our Gaithersburg HVAC team also offers air quality services, duct cleaning, and thermostat repairs. The comfort of you and your family is our top priority and our trained and experienced Comfort Specialists are ready to get to work.
Always Available, Guaranteed Satisfaction
It’s not uncommon for your heater to break down in the middle of a snowstorm or your AC to give up at the height of a heatwave. It seems as though these kinds of problems arise at the worst possible times. That’s why we are always here to help. Our Gaithersburg HVAC company offers 24/7 emergency services so that we can restore comfort to your home as quickly as possible.
One Hour Air Conditioning & Heating® of Gaithersburg is a locally owned company backed by a national name. We are a leading provider of HVAC services and are committed to being the best. That’s why we back our services with our 100% satisfaction guarantee. And because your time is valuable to us, we offer our On-Time Guarantee. We promise to be on time or else your service is free!
Frequently Asked Questions
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What does the One Hour mean in your company name?
The ‘One Hour’ in our company name indicates our guarantee to be at your home in the predetermined window quoted when you set your appointment. If we do not show up within that window, your service call fee is waived.
1. Express Appointment: This is an appointment that is scheduled during a specified one-hour time slot. You are promised that a technician will arrive at your home within this one-hour time window. You will also receive a call when the technician is en route to your home.
2. Reserved Appointment: This is an appointment that is scheduled during a specified, two-hour time slot. You are promised that a technician will arrive at your home within this two-hour time window. You will also receive a call when the technician is en route to your home.
3. Standard Appointment: This is an appointment that is scheduled during a specified four-hour time slot. You are promised that a technician will arrive at your home within this four-hour time window. You will also receive a call when the technician is en route to your home.
4. Stand-By Appointment: This appointment is for overflow situations. This appointment will not have a specified time. You will receive a call when the technician is en route to your home.
5. Emergency Appointment: This appointment is for an unspecified time after normal business hours Monday – Saturday and all day on Sundays/Holidays. Calls are dispatched in the same order they are received. You will also receive a call when the technician is en route to your home.
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Do you service emergencies after-hours?
Yes, we offer emergency services 24-hours a day, year-round. -
How much will my service cost?
The size and complexity of your HVAC issue will determine the cost. Because our trained, licensed HVAC technicians must diagnose the issue before we are able to quote you an accurate cost, we require an appointment to be set to complete a diagnostic on your system. Once the diagnostic is complete, your One Hour(R) technician will walk you through all costs using our Straightforward Pricing(R) Guide so there are never any surprise fees. -
How often should I service my HVAC system?
It’s ideal to service your cooling system each spring and your heating system each fall to ensure you find small issues before they become big problems. -
How often do I need to change my HVAC filter?
Your filter should be changed every one to three months, depending on conditions in your home and your region’s climate. -
Do you offer purchase financing?
We work built relationships with several lenders to ensure our customers are able to restore comfort in their homes. Ask your technician about your financing options. -
What are the advantages of a smart thermostat?
Smart thermostats learn a household's patterns and adjust heating and cooling according to when a home is occupied, give homeowners the ability to control the thermostat remotely, and enable homeowners to reduce their energy use, saving you money. -
What is HVAC?
HVAC means Heating, Ventilation, and Air Conditioning. HVAC systems refer to air conditioners, furnaces, and any unit that cools indoor spaces during the summer and warm them in the winter.
In general, an HVAC system takes in air, heats or cools that air, and blows it into a room or any indoor space. While many homes have separate air conditioning and heating units, others have a heat pump that cools and heats the house.
Not only do HVAC systems maintain desired temperatures, but they also improve indoor air quality and regulate humidity levels. But most importantly, these units provide comfort all year round.
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What is a SEER Rating?
The SEER (seasonal energy efficiency ratio) is a measure of the efficiency of your heating and cooling system.The higher the SEER rating, the more efficiently a unit operates. The SEER rating of any given unit can range anywhere from 13 to 21.
