We’re Open 24/7 (410) 413-3549
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24/7 Air Conditioning, Heating, and Plumbing Service in Ellicott City, MD

If you’re looking for a trustworthy plumber or HVAC technician in Ellicott City, MD, call United Air Temp. Our company has been serving homeowners in the DC Metro area since 1931. No matter the issue you’re facing, the professionals at United Air Temp have the experience to solve your problem quickly. We’re available 24/7 to provide emergency services as well.

Schedule a cooling or heating service today.

Air Conditioning Installation, Maintenance & Repair

Our team offers 24/7 emergency air conditioner repair so your home can remain comfortable throughout the summer. We’ll let you know if repairs on your system are possible and how much they will cost before beginning any repair work. If repairs are not possible, a certified technician will recommend air conditioner replacements that fit your needs. We also offer routine maintenance services to extend the service life of your air conditioner, no matter the brand you have installed.

Contact us today to schedule an air conditioning service in your Ellicott City home.

Heating Services

When you need heating repair or heating installation services, our United Air Temp technicians are ready to help. We provide emergency heating repairs as part of our 24/7 emergency services. Our team frequently repairs gas and electric furnaces, heat pumps, ductless mini-splits, and dual-fuel heating systems. We can also install a new heating system that supplements or replaces your current heating system with our heating installation services. We can help you protect your investment with a preventative maintenance plan that keeps your new heating system functioning efficiently.

Chat with a representative to schedule an appointment with a NATE-certified heating system technician in Ellicott City.

Request Service in Baltimore Choose UAT for fast and reliable service

Indoor Air Quality Services

Many homeowners don’t realize that the quality of the air circulating throughout their home can be more polluted than the air outdoors. United Air Temp offers indoor air quality services that help you and other members of your household breathe easier, keeping dust, odors, mold, and other pollutants from circulating throughout your home. Signs of poor indoor air quality include sneezing, coughing, and headaches that disappear when you’re away. In Ellicott City, our technicians install and repair products that improve your home’s indoor air quality like humidifiers, dehumidifiers, thermostats, ductwork, air scrubbers, air purifiers, attic fans, and R-22 conversions.

Same-Day Plumbing Services

You need a home services company that offers a complete plumbing service experience. At United Air Temp, our team offers:

Contact us online to schedule routine service or call (410) 413-3549 to request emergency service today.

Water Heater Services

Professional water heater services are crucial for maintaining a steady hot water supply for your home. The expert plumbers at United Air Temp can help whether you rely on a standard or tankless water heater. Our services include:

  • Water heater repair
  • Water heater installation and replacement
  • Water heater maintenance

Depend On United Air Temp for Reliable HVAC and Plumbing Services in Ellicott City, MD

For fast HVAC services from a company with a 90+ year tradition of service excellence, contact United Air Temp today. We’re constantly updating our service techniques and industry knowledge to provide you with the best service possible. Our licensed plumbers and NATE-certified technicians will provide you with a detailed written report on all work performed so that you can make informed decisions long after your service is complete.

Request 24/7 emergency service with one of our licensed plumbers or certified technicians.

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Leader in Home Comfort Since 1931Get Your Free Estimate

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Bradley Z

Their service tech was knowledgeable, polite, and professional. The service call and pricing is always reasonable and explained in detail. We have used their services for 3 years now.

John A

United Air Temp was tasked to repair a leak in a bathroom that turned into a more complex issue. He had to repair a loose water line. I am grateful for his expertise and skills to handle this unexpected issue.

Delores H

United Air Temp has been serving my heating and cooling system for years now. They are professional, thorough, and informative. The technicians inform you when they will arrive and are nice.

Kim D

We've used United Air Temp for years. Honestly, they have not disappointed. Today, we had an issue and placed a call for an appointment. They got someone out the same day.

Bradley Z

Their service tech was knowledgeable, polite, and professional. The service call and pricing is always reasonable and explained in detail. We have used their services for 3 years now.

John A

United Air Temp was tasked to repair a leak in a bathroom that turned into a more complex issue. He had to repair a loose water line. I am grateful for his expertise and skills to handle this unexpected issue.

Delores H

United Air Temp has been serving my heating and cooling system for years now. They are professional, thorough, and informative. The technicians inform you when they will arrive and are nice.

Kim D

We've used United Air Temp for years. Honestly, they have not disappointed. Today, we had an issue and placed a call for an appointment. They got someone out the same day.

Bradley Z

Their service tech was knowledgeable, polite, and professional. The service call and pricing is always reasonable and explained in detail. We have used their services for 3 years now.

John A

United Air Temp was tasked to repair a leak in a bathroom that turned into a more complex issue. He had to repair a loose water line. I am grateful for his expertise and skills to handle this unexpected issue.

Delores H

United Air Temp has been serving my heating and cooling system for years now. They are professional, thorough, and informative. The technicians inform you when they will arrive and are nice.

Kim D

We've used United Air Temp for years. Honestly, they have not disappointed. Today, we had an issue and placed a call for an appointment. They got someone out the same day.

Bradley Z

Their service tech was knowledgeable, polite, and professional. The service call and pricing is always reasonable and explained in detail. We have used their services for 3 years now.

John A

United Air Temp was tasked to repair a leak in a bathroom that turned into a more complex issue. He had to repair a loose water line. I am grateful for his expertise and skills to handle this unexpected issue.

Delores H

United Air Temp has been serving my heating and cooling system for years now. They are professional, thorough, and informative. The technicians inform you when they will arrive and are nice.

Kim D

We've used United Air Temp for years. Honestly, they have not disappointed. Today, we had an issue and placed a call for an appointment. They got someone out the same day.

Bradley Z

Their service tech was knowledgeable, polite, and professional. The service call and pricing is always reasonable and explained in detail. We have used their services for 3 years now.

John A

United Air Temp was tasked to repair a leak in a bathroom that turned into a more complex issue. He had to repair a loose water line. I am grateful for his expertise and skills to handle this unexpected issue.

Delores H

United Air Temp has been serving my heating and cooling system for years now. They are professional, thorough, and informative. The technicians inform you when they will arrive and are nice.

Kim D

We've used United Air Temp for years. Honestly, they have not disappointed. Today, we had an issue and placed a call for an appointment. They got someone out the same day.

Why Choose Us Discover the United Difference
Trained Technicians
Upfront Pricing
Environmental Health & Safety
Value-Added Services
On-Time Scheduling
Commitment to Community
Quality Craftsmanship
Satisfaction Guaranteed
Trained Technicians
Upfront Pricing
Environmental Health & Safety
Value-Added Services
On-Time Scheduling
Commitment to Community
Quality Craftsmanship
Satisfaction Guaranteed
Save on Your Service Our Goal Is to Keep Your Home Comfortable
Same Day Service or It’s Free!
Expires 05/31/2024 Offer applies to diagnostic fee for initial visit for service calls. Additional labor or materials costs incurred are not applicable. Call must be received before 2pm Monday – Friday. “Same Day” is defined as technician arrival prior to 10 pm on day of qualifying call, or dispatch fee will be waived. Offer not applicable in the event of delays due to customer, inclement weather, or property inaccessibility. Substantial completion of full job during initial visit is not guaranteed and completion times may vary. Limited time offer subject to availability. Offer not applicable for home warranty calls or maintenance visits. Offer not valid on weekends; call for complete details.
Save Up To $2,000When You Buy a Complete HVAC System with A/C and Furnace!
Expires 04/30/24 *Cannot be combined with any other offer. Not applicable for a heat pump system.
No Plumbing Diagnostic FeeSavings of $98!
Expires 02/29/2024 Limited Time Only. Waived diagnostic charge available during normal service hours in the Baltimore service area for plumbing service calls only.
$69.95AC Clean & Check
Expires 04/30/24
FREE second opinion - HVAC or Water Heater replacement
Expires 04/30/24
$25 OFFfor referrer and friend
Expires 04/30/24
$50diagnostic for first-time plumbing customer
Expires 04/30/24
$250 OFFtankless water heater replacement
Expires 04/30/24
FREEestimate on water heater replacement
Expires 04/30/24
FREEestimate on water treatment system
Expires 04/30/24
Call us for a FREE ESTIMATE to install a new ductless mini single zone system with white finished indoor air handler at a SPECIAL PRICE.
Expires 04/30/24
$500 off a complete new system
Expires 04/30/24
Free hot water tank cleaning & safety inspection with any plumbing repair!
Expires 04/30/24
Flag with over 90 years in business text Over 90 tears in business banner
Satisfied Customers
Total Reviews
4.5 Google Rating
What Our Clients Are Saying
testimonial_image The tech was at my home less than 10 minutes and gone within 20 minutes due to having my A/C up and running. I really appreciate his response to my home and working with my son due to me being out of town, but we spoke on the phone.
testimonial_image The technician arrived promptly, wore a mask, was very courteous and professional. I am generally very satisfied with service by United Air Temp. In addition to good service (they repair well), it is easy to speak to a person, and promptly. Thank you.
testimonial_image Great service! I called because I was under the impression the AC was not working upstairs. Someone came on the same day, checked out the system, and ensured everything was working. He was polite, thorough, and friendly.
testimonial_image Tech was very attentive and professional. He went out his way to explain everything to me as he was doing it. I appreciated him keeping me informed.
testimonial_image The service technician was awesome! He spent the extra time necessary to ensure the leak in our system was fixed, the system fully recharged and everything was functioning as it should. He was extremely thorough and very professional. We are extremely pleased with the result!

United Air Temp was named the 2022 HVACR National Contractor of the Year.

Contractor of the Year-2022 Click Here to Learn More
Affiliations & Awards
Plumbing, heating, cooling contractors association logo
North American Technician Excellence logo
Energy Star logo
BBB Accredited Charity logo
Rebuilding Together Alexandria logo
Feed the Fight logo
Habitat for Humanity logo