Air Conditioning Installation

Premium air Conditioning Installation and HVAC Replacement with a FREE Consultation in Longmont, CO
Professional, Energy-Efficient Cooling
Looking for expert air conditioning installation in Longmont, CO? Blue Valley Heating, Cooling & Plumbing provides precision AC installation and seamless replacement services for homeowners and businesses throughout Boulder, Larimer, and Weld Counties.
Since 1994, our licensed team has helped Colorado families stay comfortable with cooling systems explicitly engineered for the Front Range climate. Whether you are replacing an aging unit, upgrading to a high-efficiency inverter system, or building a new property, we provide the honest recommendations you deserve.



Schedule Your FREE Consultation.
Why Choose Blue Valley for Air Conditioning Installation?
Air Conditioning Installation Systems We Specialize In
Every home has a unique thermal profile. During your FREE layout and load consultation, our technicians evaluate your square footage, insulation quality, and ductwork infrastructure to recommend the perfect cooling asset.

Central Air Conditioning Installation
The gold standard for homes with existing ductwork networks. Modern central AC units meet advanced SEER2 standards and consume far less power than units built just a decade ago.

High-Efficiency Heat Pumps
Heat pumps act as unified heating and cooling systems, reversing their cycle with the seasons. Because they transfer heat rather than burning fuel, they are among the fastest-growing eco-friendly HVAC upgrades in Colorado.

Ductless Mini-Split Systems
Ideal for homes without ductwork, room additions, finished basements, garages, or specific rooms with stubborn hot spots. Mini-splits provide precise, room-by-room temperature control.

Signs It’s Time to Replace Your Old Air Conditioner
If you are unsure whether to continue repairing your current system or invest in an upgrade, consider these common warning signs that your AC is nearing the end of its lifespan:

Industry-Leading Products: Rheem & Bosch
We partner with manufacturers recognized for exceptional engineering, extended manufacturer warranties, and long-lasting components.
Rheem Air Conditioning Installation Experts
Famous for rock-solid reliability, advanced scroll compressors, and great value. Rheem systems deliver highly consistent indoor comfort while offering high-SEER2 models that easily slash cooling costs.
Bosch Inverter-Driven Heat Pumps & ACs
Bosch systems feature variable-speed inverter technology. Instead of turning on and off fully (which wastes energy), a Bosch system ramps up or down precisely to match your real-time cooling needs, delivering ultra-quiet performance and maximum savings.
What to Expect:
Our Air Conditioning Installation Process
We know that a new air conditioning installation is a major home improvement project. To minimize disruption to your schedule and give you total peace of mind, our NATE-certified teams adhere to a strict, professional installation timeframe.
1.
Site Preparation & Property Protection
Clear stubborn clogs safely and restore proper flow. We go beyond basic snaking to address buildup and recurring issues.
2.
Eco-Friendly System Recovery
Our EPA-certified team will safely and legally reclaim the old chemical refrigerant and place it in specialized cylinders. We then completely disconnect and remove your obsolete outdoor system.
3.
Infrastructure & Duct Modifications
We inspect your ductwork. Our team reinforces structural pads, seals thermal leaks, and prepares the physical fittings to ensure a smooth transition to your AC.
4.
Precision Equipment Placement
We mount the new, high-efficiency indoor cased coil and position the heavy-duty outdoor condenser unit on a fresh, level, vibration-absorbing composite pad
5.
Line Set, Electrical & Drainage Connection
Our technicians install fresh, heavy-gauge copper refrigerant lines, connect a code-compliant electrical whip and outdoor disconnect switch, and rebuild the condensate drainage lines.
6.
Deep Vacuum Evacuation & Charging
We use digital gauges to pull a deep vacuum throughout the system, removing all traces of moisture and non-condensable gases. Once verified, we release the exact manufacturer-specified payload of eco-friendly refrigerant
7.
Testing and Final Walkthrough
We test static pressures, measure the air temperature split across your vents, verify your new smart thermostat calibration, and walk you through your new system’s operations and maintenance settings

Our Clean-Home Guarantee
Once commissioning is finished, we pack up all old equipment, vacuum our workspaces, and haul away all project debris. The only sign we were ever in your home will be the crisp, perfect indoor air.
The Reality of DIY Air Conditioning Installation in Boulder County
Thinking about buying an air conditioner online and installing it yourself to save money? While Boulder County and the City of Longmont technically allow owner-occupiers to pull residential mechanical permits, the local regulatory hurdles are extremely strict:
The Bottom Line: An unpermitted or improperly installed AC system can invalidate your homeowner’s insurance, trigger code enforcement fines, and immediately void your manufacturer’s equipment warranty.
Let Blue Valley handle the red tape. Our NATE-certified teams seamlessly manage 100% of the permits, load calculations, and utility rebate submittals. Schedule Your FREE Code-Compliant Consultation Today!
Clear Financial Transparency: Upfront Costs & Savings
The out-of-pocket investment for a new cooling system depends directly on home size, equipment efficiency ratings, and duct modifications.
System Type: Central AC
Price Range: $4,400 – $9,500
Best For: Homes with existing, functional duct networks.
System Type: Ductless Mini-Split (Multi-Zone)
Price Range: $5,500 – $13,000+
Best For: Additions, historic homes, or custom localized zoning.
System Type: High-Efficiency Heat Pump
Price Range: $6,000 – $12,500
Best For: Homeowners seeking to maximize local electric utility rebates.
Don’t guess on comfort or overpay for energy. Take advantage of our expert diagnostics and complimentary layout evaluation. Contact us today to schedule a FREE consultation.

Customizable Financing Plans
To take the financial stress out of an unexpected breakdown, we offer qualified buyers fast-approval financing options, convenient monthly terms, and low upfront costs.
Maximizing Your Colorado Energy Rebates
Because Blue Valley is recognized by Xcel Energy as a leading high-efficiency AC installer, our team understands exactly how to structure your purchase to take advantage of:
Schedule Your FREE Air Conditioning Installation Evaluation Today!
Blue Valley is dedicated to providing air conditioning installation services to the homeowners and businesses in Longmont, CO, and surrounding communities.
Call us now (720) 204-8139 or schedule a FREE consultation!
Proudly serving Longmont, Boulder, Lafayette, Louisville, Niwot, Frederick, Firestone, Lyons, Berthoud, Estes Park, Westminster, Lakewood, Arvada, Loveland, Erie, Broomfield, Thornton, Northglenn, and the surrounding Colorado Front Range communities.

Frequently Asked Questions About Air Conditioning Installation in Longmont, CO
Service Areas
We offer services in the following areas:
