Longmont’s Furnace Installation Team
Are you worried you might need a furnace replacement in Longmont, CO? At Mountain Valley, we’re your one-stop source for a new furnace in Longmont. Our team of certified and insured heating installers can streamline the process, taking the stress out of staying warm this winter.
Whether you’re concerned about furnace costs in Longmont or need help finding the most cost-effective upgrade, you can count on the Mountain Valley team. We work with top industry brands to deliver furnace installations that are 95%+ AFUE and make sure you get all of the available utility rebates to keep your costs as low as possible on a new, code-compliant furnace installation in Longmont.
Call today for a free estimate on furnace installation from the pros at Mountain Valley. Our friendly team is available at (970) 586–1085!

Why Longmont Homeowners Choose Mountain Valley for Furnace Replacement
Choosing the right heating contractor matters just as much as choosing the right furnace if you want long-term comfort. Mountain Valley has become the installer of choice for Longmont homeowners by providing expert installations and honest service every time.
Some reasons why Longmont homeowners choose us include:
- Local, Licensed, and Insured – When you choose Mountain Valley for your furnace installation in Longmont, CO, you get a team that’s experienced and covered in case of accidents. With insurance to handle unexpected issues and licensing to prove our expertise, you can count on our team for local, fast HVAC installation in Longmont.
- Sizing Done Right – Where other heating installers look at just your square footage to determine the right gas or electric furnace replacement in Longmont, we use comprehensive load calculations and make sure to assess your ducts and venting before making a recommendation.
- Top Industry Brands – When you get a Mountain Valley estimate on a new furnace in Longmont, we’ll detail options in a good, better, best format so you can choose the option that works for your needs and budget. Plus, we make sure you know the price upfront and get copies of all warranties, so you have peace of mind about your purchase.
- Financing and Rebate Guidance – At Mountain Valley, we’re always about delivering great value to our customers, which is why we’ll help you find ways to lower your out-of-pocket furnace costs in Longmont. From filling out rebate forms to flexible financing options on approved credit, we make it easier to afford reliable heat than ever.
Our Furnace Installation Process
Our heating service team doesn’t just swap your old equipment and leave. Mountain Valley follows a step-by-step process to ensure long-term performance, safety, and efficiency. We always start with an in-home assessment and sizing calculations. Next, we give you your options with clear efficiency information, usually that means you choose from furnaces with AFUE ratings of 80%, 90%, and 95%+.
We’ll also walk you through upgrade options like variable speed and zoned temperature control. Once your selection is finalized, we do a code-compliant furnace installation in Longmont and test everything before we do a final walkthrough. During the walkthrough, we make sure you know how to change the filter, what the maintenance schedule looks like, and how to register the warranty and make claims.
Mountain Valley is a top choice for furnace replacement in Longmont, CO because we offer:
- Fast furnace installation in Longmont, CO
- High-efficiency furnace options
- Experienced heating installers
- Both electric and gas replacement options
Choose the Right Furnace for Your Longmont Home
Selecting the right furnace plays a major role in comfort and energy savings. At Mountain Valley, we install both high-efficiency gas furnaces with 95%+ AFUE and mid-efficiency options for both gas and electric furnace replacement. With high efficiency systems, expect lower utility costs, quieter operation, improved humidity control, and consistent temperatures thanks to variable-speed technology. A mid-efficiency electric or gas furnace installation in Longmont can be paired with other add-ons to maximize savings. We’ll help you understand all the options and make the right choice for your home, expectations, and budget.
Add-Ons & Upgrades
A furnace replacement is the perfect time to add on systems that also improve efficiency, air quality, and temperature control. Smart thermostats are a fabulous upgrade that allow for better scheduling and energy management. Indoor air quality accessories, such as high-performance filters and whole-home humidifiers, can help make a home more comfortable, while zoning systems are a solid upgrade for multi-level homes, allowing customized temperature settings for each floor.
Homeowners considering hybrid setups can also explore options that integrate with AC or heat pump systems for year-round efficiency.
Maintenance Protects Your New Furnace
At Mountain Valley, a professional tune-up includes filter replacement, blower cleaning, flame sensor and ignition checks, and full safety inspections, along with professional cleaning. We make sure your furnace is in good condition and working safely. This helps keep your warranty in good standing and your heating bills lower. When it’s time to have your system serviced, be sure to ask about our maintenance plans for furnace tune-ups to get priority service and exclusive discounts.
Schedule Your Furnace Replacement in Longmont, CO Today
If you’re tired of dealing with mid-winter breakdowns and heat that never seems to get warm enough, it’s time to contact Mountain Valley about a new furnace in Longmont. Our heating installers are some of the best in Longmont, offering fast, up-to-code installations and some of the best warranties around.
Schedule your free estimate today by visiting our contact page. We often have same-day appointment options to handle your heating upgrade fast.
Frequently Asked Questions
If you still have questions, read on to see some of the most common questions we get from clients about furnace installation in Longmont.






