When you need plumbing, garage door, or HVAC services in Longmont, CO, Horizon Services has a team close by. We repair, install, and maintain heating and cooling systems, plumbing, water heaters, and garage doors for homeowners across the St. Vrain Valley, working out of our Longmont location on Mead Court. Count on our NATE-certified technicians for same-day service at regular rates seven days a week, backed by our Pure Motive pledge of honest recommendations and upfront pricing.
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HVAC, Plumbing, & Garage Door Services in Longmont, CO
Special Financing Available
The financing of potential home Repair projects is something that Horizon Services offers. Visit https://horizonservicesdenver.com/financing/ to apply.
Reliable Heating and Cooling for Every Colorado Season
Our NATE-certified technicians service furnaces, boilers, air conditioners, heat pumps, and ductless mini-splits to keep Longmont homes comfortable from the first heat wave to the last snowstorm. We work on all major makes and models, and as a Trane Comfort Specialist, we can install a new Trane system when replacement is the right call.
Our 90°F summer afternoons can turn into a fall cold front overnight, leaving you switching from AC to heat in the same week. Chinook winds off the foothills also bring warm, dry spells mid-winter, followed by hard freezes that speed up wear on parts and igniters. We service your equipment to handle those swings, so your HVAC system is ready for every season.
Get Your AC Working Again With Professional Cooling Repairs
We provide same-day AC repair across Longmont and nearby communities, and 24/7 emergency service when your air conditioner stops working. Our Longmont HVAC contractors diagnose the problem, explain it clearly, and give you an upfront price before starting any work.
Call our team for air conditioning repair if you notice:
- Warm air from the vents while the outdoor unit is running.
- A condenser coated in cottonwood fluff from the trees along the St. Vrain Greenway.
- Bent fins or a rattling sound after a spring hailstorm.
- Ice on the refrigerant lines or water pooling near the indoor unit.
- A higher LPC bill with no change in your AC usage.
When wildfire smoke drifts in from the mountains, we can upgrade your filtration or add an air purifier so your AC isn’t pulling the haze through your house.
Furnace and Boiler Services To Prepare for Winter
Count on our HVAC company in Longmont for heating repairs, installations, maintenance, and replacement. Our heating tune-ups include a gas and carbon monoxide safety check, burner cleaning, and component testing, so we can catch small issues before temperatures drop into the single digits.
Fall is the best time to book your furnace tune-up. Our schedule fills up after the first hard freeze, and some of the heaviest snow falls in March and April, so your system needs to be ready for a long season.
If we uncover any worn parts during the visit, we’ll walk you through your options and tell you honestly if a furnace or boiler repair will get you through another season. When replacement becomes the better investment, we’ll handle the entire process so you’re ready for the next Front Range winter.
HVAC Installation and Replacement for Long-Term Comfort
Our team installs complete HVAC systems with written pricing and financing available. Before we recommend anything, we measure your home’s heating and cooling load and look at the existing ductwork. If your current setup still has a few good years left, we’ll say so.
We provide:
- AC installation and replacement
- Furnace installation
- Hot water boiler installation
- Heat pump installation
- Ductless mini-split installation
Our Trane Comfort Specialists install systems built for Colorado’s unpredictable seasons. Register a new Trane system within 60 days of installation to receive a 12-year limited compressor warranty and a lifetime limited heat exchanger warranty that protects your system for years of Longmont living.
Heat Pump and Mini-Split Options for Modern Homes
Replacing an aging setup or looking to improve your energy efficiency? We install cold-climate heat pumps and ductless mini-splits to heat and cool your home with one system.
Cold-climate models keep your home warm when temperatures drop below freezing, and pairing one with your gas furnace creates a dual-fuel system that switches over when a cold front rolls in. Mini-splits are a better option for heating and cooling in Longmont when your ductwork doesn’t reach a garage workshop or new addition.
Longmont Power & Communications customers can qualify for Efficiency Works rebates on heat pumps that lower your upfront cost. We’ll walk you through what applies to your project and help you with the rebate process.
Residential Plumbing Solutions for Longmont Homeowners
Our licensed Longmont plumbers provide repairs and installations for your kitchens, bathrooms, and basement, with 24/7 emergency service for burst pipes and leaks that can’t wait until morning. Our plumbing services include:
- Leak detection and repair
- Drain clearing
- Kitchen and bathroom fixture installation
- Water line repair and repiping
- Sump pump installation, repair, and testing
Water Heater Repair, Replacement, and Tankless Upgrades
When you lose hot water, we provide same-day repair and replacement for tank and tankless water heaters. Rusty water, popping sounds, leaks around the base, and hot water that runs out faster than normal are common warning signs we see in Longmont homes. Our plumbers will tell you whether a repair makes sense or if it’s time for a new unit.
If your household runs laundry and back-to-back showers after a Saturday of games at Sandstone Ranch, we can help you decide if a larger tank or tankless upgrade is the better fit. Tankless systems provide continuous hot water and save space, while a larger tank can handle multiple fixtures running at once and cost less to install. We install both and size either option to your household’s daily hot water use so you never run dry.
Protect Your Plumbing With Water Quality and Maintenance Services
Our Longmont plumbing company installs, repairs, and maintains water softeners and whole-home filtration systems to protect your fixtures and appliances from mineral buildup. Every recommendation starts with a test to see what’s in your water, since homes on city water and properties on private wells need different treatment.
A few signs your home could benefit from water treatment include:
- White scale on faucets and shower doors.
- Soap that won’t lather or laundry that comes out stiff.
- A water heater that pops or rumbles from sediment and scale.
- An off taste or smell from well water.
Garage Door Repair for Smooth and Safe Operation
Our team of garage door specialists repairs broken springs, frayed cables, faulty openers, misaligned sensors, and off-track doors. We provide same-day service seven days a week, so you aren’t stuck at home when your morning commute to Boulder gets cut short by a jammed door.
Colorado winters put added stress on garage door hardware, especially torsion springs and lift cables. We inspect the panels, tracks, rollers, and weather seals for damage and replace worn parts before they become problems. Every repair also includes testing the auto-reverse and safety sensors to ensure the door operates safely.
Keep Your Home’s Essential Equipment Running With Preventative Care
Want to put seasonal tune-ups on the calendar for good? Our Peak Advantage Service Agreement keeps your heating, cooling, and plumbing on a regular maintenance schedule, with added benefits like:
- Preferred rates on HVAC repairs and no standard trip charges.
- Doubled parts and labor warranties on service.
- Priority scheduling and automatic AC and heating maintenance reminders.
- Complimentary whole-house plumbing inspections.
An AC maintenance visit in spring before cottonwood season and a furnace service in early fall keep you ahead of the seasons. Members get reminders for both, so you’re not scrambling for an appointment time when the first heat wave or snowfall hits.
Blue Valley Customers Can Count on Horizon Services
Blue Valley is now part of Horizon Services, and your Blue Valley membership carries over completely. Benefits, billing, and priority scheduling stay the same, and you don’t need to do anything to keep your coverage.
You’ll still work with experienced technicians who know Longmont, now backed by a larger fleet and more appointment openings each week. The merger also gives you access to geothermal systems, advanced air purification, and water quality solutions, so one local team covers all your home services.
Schedule HVAC, Plumbing, or Garage Door Service in Longmont
Contact us today to schedule HVAC, plumbing, or garage door service in Longmont. Same-day appointments are available at regular rates seven days a week, and our emergency line is open 24/7.
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"I love this company. The service people are always respectful and kind as the office personnel are too! I highly recommend them!!"
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License: Plumbing Contractor # PC.0003166 | Master Plumber # MP.03000703.