Brand Certified
No -Frost Air Conditioning & Heating, LLC
4.7(79 reviews)
Certified by No -Frost Air Conditioning & Heating, LLC • Mar 08, 2026
Business Details
4990 Waterloo Rd., Ellicott City, MD
21043, United States
Certified by No -Frost Air Conditioning & Heating, LLC • Mar 08, 2026
(410) 461-6422
Certified by No -Frost Air Conditioning & Heating, LLC • Mar 08, 2026
https://www.no-frost.com/
Certified by No -Frost Air Conditioning & Heating, LLC • Mar 08, 2026
About
Certified by No -Frost Air Conditioning & Heating, LLC • Mar 08, 2026
HVAC Contractor
No -Frost Air Conditioning & Heating, LLC provides heating, cooling, indoor air quality, and water heater services in Howard, Baltimore, and Carroll counties.
Location
Certified by No -Frost Air Conditioning & Heating, LLC • Mar 08, 2026
No -Frost Air Conditioning & Heating, LLC
4990 Waterloo Rd., Ellicott City, MD
21043, United States
Hours
Certified by No -Frost Air Conditioning & Heating, LLC • Mar 08, 2026
Reviews
4.7
79 reviews
5 stars
73
4 stars1
3 stars0
2 stars0
1 star
5
- BSBrian SmithJan 16, 20265.0No-Frost is a fantastic HVAC service company. I lost my heat today and they quickly sent a service tech who was able to accurately identify and fix the problem. They provided excellent service at a very reasonable price.
- KBKeith BowlesJan 10, 20265.0Absolutely the best air condition & heating company in Howard County. Most ethical in the business. Great customer service and never a questionable charge. Did our recent ac replacement for a great price and great service therafter. We have used a highly recommend them to all our family, friends, neighbors and our customers for over 2 decades. They never disappoint and always provide outstanding customer service.
- CBCindy BridnerDec 31, 20255.0Our compressor died on our system and we called No Frost to come in and check it out. They came within two weeks because it had to be ordered and put it in in half a day. The guys who came were friendly and very efficient. They were careful moving around in the plants outside and make sure that they cleaned up after themselves. We have dealt with No Frost for many many years and they are the ones that we turn to whenever we need any kind of help. They are good people And the service is always stellar
- CRCheryl RagerAug 9, 20255.0One of the best companies around! I am always able to get an appointment quickly and they are always helpfuland kind. I highly recommend them!
- TRTenley RobeksDec 2, 20235.0Great service always!
Frequently Asked Questions About No -Frost Air Conditioning & Heating, LLC
How often should I service my HVAC system?
We recommend servicing your HVAC system twice annually. Schedule a spring maintenance for your cooling system and a fall check-up for your heating system. This regular care helps prevent expensive repairs and ensures your system operates at peak efficiency.
How long do HVAC systems last?
On average, HVAC systems have a lifespan of 10 to 20 years. Consistent maintenance can extend this period, but eventually, component wear and decreased efficiency will make replacement more economical than continued repairs.
What size HVAC system do I need?
The appropriate HVAC system size depends on several factors, including your home's square footage, insulation quality, window count, and local climate. Our technicians can perform a detailed load calculation to determine the ideal system size for your specific needs.
How can I improve my HVAC's energy efficiency?
To enhance your HVAC system's energy efficiency, consider these steps: schedule regular maintenance, replace air filters as recommended, install a programmable thermostat, ensure proper duct sealing, and consider upgrading to an ENERGY STAR-certified system. These measures can significantly reduce your energy consumption and utility costs.
How often should I change my HVAC air filters?
Air filter replacement frequency typically ranges from every 1 to 3 months, depending on factors such as system usage, type, and air quality. Households with pets or high dust levels may need to change filters more frequently to maintain optimal system performance.
How does indoor air quality affect HVAC performance?
Indicators of a refrigerant leak include decreased cooling efficiency, extended system run times, or unusual compressor noises. If you suspect a leak, it's crucial to contact a professional technician for safe and effective repairs, as refrigerant handling requires specialized skills and equipment.
How often should I have my HVAC system serviced by No-Frost Air Conditioning & Heating Co?
HVAC systems should be serviced twice a year, once in spring for cooling and once in fall for heating, to maintain performance and prevent costly repairs.
What is the typical lifespan of an HVAC system installed by No-Frost Air Conditioning & Heating Co?
HVAC systems generally last 10–20 years, with regular maintenance possibly extending their life before replacement becomes more efficient.
How do I determine the right size HVAC system for my home?
The appropriate HVAC size depends on factors like home size, insulation, windows, and climate; a technician can perform a load calculation to determine the best fit.
How can I improve the energy efficiency of my HVAC system?
Improving energy efficiency can be done through regular maintenance, changing air filters, sealing ducts, using programmable thermostats, and upgrading to ENERGY STAR-rated systems.
How often should I replace the air filters in my HVAC system?
Air filters should generally be replaced every 1–3 months, depending on usage, system type, and air quality, with more frequent changes if you have pets or dust issues.
What services does No-Frost Air Conditioning & Heating Co offer?
They provide furnace installation, maintenance, and repair, air conditioning installation and service, water heater repair, indoor air quality solutions, and gas appliance service.
What brands of HVAC equipment does No-Frost Air Conditioning & Heating Co service and install?
They work with brands including Trane, Carrier, York, Ruud, Rheem, Aprilaire, Comfortmaker, Mitsubishi Electric, and A.O. Smith.
What are the business hours of No-Frost Air Conditioning & Heating Co in Ellicott City, MD?
They are open Monday through Friday from 7:00 AM to 4:00 PM and Saturday from 7:00 AM to 12:00 PM; they are closed on Sundays.
What nearby places can customers visit before or after a service appointment at No-Frost Air Conditioning & Heating Co?
Customers can visit nearby spots like Bella Mia Pizzeria & Restaurant for a meal, the 39 Minute Workout gym for fitness, or KyKy's Snowballs for a refreshing dessert.
Are there nearby services or amenities to No-Frost Air Conditioning & Heating Co that customers in Ellicott City might find useful?
Yes, customers can access services like Watermont Cleaner for dry cleaning, Vance Shoe Repair for shoe needs, and Primrose School of Southeast Ellicott City for preschool care.
How does the location of No-Frost Air Conditioning & Heating Co benefit residents of Howard County and Baltimore County?
Serving both counties, they offer convenient access to reliable HVAC and water heater services, with easy reach from cities like Columbia, Ellicott City, and Jessup.
Brand Certified Facts from No -Frost Air Conditioning & Heating, LLC
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