Plumbing, Heating & Cooling in Thornton, CO

Our Professional are Thornton Locals

Quality First Service Group offers plumbing, heating, and cooling services for homes in the Thornton area. We are extremely proud of the reputation we have earned. Not only are we a Gold Star recipient from the Denver/Boulder Better Business Bureau, but we also are proud of our now seven-year streak of zero customer complaints! Customers know they can come to us when they want to be treated right and want their job done right, and that’s exactly what we do.

Woman fixing kitchen sink

If you need any type of plumbing services, call our local team! From sump pumps to lead detection, to filtration, we can help.

water heater repair thornton

We provide premier heating repair and maintenance services for boilers and furnaces in Thornton, Colorado.

Worker repairing ceiling air conditioning unit

Our Thornton professionals also provide repair, installation, and maintenance services for air conditioning units.

Why Choose a Local Team?

Experience personalized HVAC care right here in Thornton, Colorado, with Quality First Service Group. Nestled in the heart of the Denver metropolitan area, Thornton boasts a dynamic community, and we’re proud to be your local heating and cooling experts.

As Thornton residents ourselves, we intimately understand the climate nuances unique to our city, from the brisk winters that call for reliable heating solutions to the warm summers demanding efficient air conditioning. Living and working in Thornton means we’re attuned to the specific needs of our neighbors. Explore a new level of local HVAC care with us – because your community is our community.

Community Commitment by Quality First Service Group
Understanding the Different Types of HVAC Systems

Quality First Can Help

Quality First believes in offering superior quality services. Every member of our plumbing team has been trained to handle your job the right way, and each comes to you with a fully-equipped service van that is packed full of components and tools to help them serve you better.

We offer a full range of plumbing services, including:

  • Pipe repairs & repiping
  • Leak detection & repair
  • Plumbing inspections & maintenance
  • Water heater replacement
  • Water heater repairs
  • Boiler repair services

Why Choose Quality First?

Quality First Service Group believes that being the name our customers trust is a serious commitment. Not only do we always have to live up to the standards they have come to expect from us, but we need to be able to live up to them regardless of what type of service we are doing. Our team understands that we need to be ready to handle whatever you need, so we are constantly improving through training and education to expand what we can do. Whatever you need, our team is ready to handle it.

Quality First also offers a lot of great benefits that other contractors can’t match, including:

  • Straightforward pricing: No hidden fees or surprise costs on the final bill. You’ll know exactly what you’ll pay when we quote you a price.
  • Unmatched professionalism: We’re a partner you can count on to help you with your home problems, not offer endless sales pitches for jobs you don’t actually need.
  • Dependable: We make sure all of the little things are done right, including keeping our work area clean and showing up with the materials to handle your job. If we’re late, we’ll apply a credit to your bill, instantly.

Get the help your home needs! Contact Quality First.

castle rock plumbing and HVAC team

Reliable 24/7 Emergency HVAC and Emergency Plumbing Services in Thornton

At Quality First, we understand that emergencies don’t wait for a convenient time. That’s why we’re proud to offer comprehensive emergency services in Thornton. Whether it’s emergency plumbing, drain cleaning, or furnace repair, our team is ready to respond swiftly to your needs. We know that when your home’s HVAC or plumbing systems decide to quit, it’s not always up to you.

Our emergency services include everything from immediate plumbing repairs to clearing backed up drains and fixing furnaces that just won’t heat. In Thornton, we are your go-to emergency HVAC professionals for any urgent situation. With just one phone call, our skilled technicians will be on their way to restore comfort and functionality to your home 24 hours a day, seven days a week.

You can count on Quality First

From start to finish, we go the extra mile for our customers.

Simple, friendly scheduling

We're here to help. Get an appointment time that fits your busy schedule.

Service experts, not salespeople

Our goal is to get your problem fixed, at the budget that works for you.

Know your technician

We will send a photo of your tech before the appointment along with live GPS tracking updates.
DENVER METRO (720) 772-5081
CASTLE ROCK (720) 325-1371

Helping people is our passion


We believe in giving back

As a family business owned by Colorado locals, we are committed to our community. That's why we support and provide free services to charities and nonprofits across the Front Range.