5-Star Reviews
Years of Local Service
Accredited Business
Technicians
and Operated
What's Included in an AC Tune-Up?
A McCormick AC tune-up includes cleaning the evaporator and condenser coils, checking refrigerant charge for leaks, testing the capacitor and electrical connections, clearing the condensate drain, and verifying airflow and temperature split, with all findings detailed in a written report.
Every visit is a full, multi-point inspection designed to restore peak efficiency before the summer heat arrives. Here's what our technicians cover:
Coils & condenser
We clean the evaporator and condenser coils and clear away debris that builds up on the outdoor unit, so heat transfers efficiently and your system isn't forced to overwork.
Refrigerant
We check the refrigerant charge and inspect for leaks, since a low or improper charge is one of the most common reasons an AC struggles to cool and burns extra energy.
Electrical
We test the capacitor, contactor, and all electrical connections, tightening anything loose. Worn electrical components are a leading cause of mid-summer breakdowns.
Drain & airflow
We clear the condensate drain to prevent water backups and check the filter and overall airflow so cool air reaches every room.
Performance
We verify cooling output, measure the temperature split across the system, and confirm the thermostat is calibrated and communicating correctly.
Report
You receive a clear summary of findings plus any recommended repairs, so you always know the condition of your AC. No surprises.
If our technician spots a worn part or developing issue, we'll walk you through your options. Need a fix rather than a tune-up? Visit our AC repair page.
Why Does AC Maintenance Matter in Colorado?
In Greeley's dusty, dry, high-altitude climate (roughly 4,665 ft), coils and filters load up with dust far faster than the national average. An annual tune-up restores efficiency, lowers summer energy bills, protects your manufacturer warranty, and catches small problems before they become failures.
Colorado's seasons are hard on cooling equipment. Fine, dry dust coats condenser coils and clogs filters, forcing your system to run hotter and longer just to hit the same temperature, which shows up directly on your utility bill. A regular tune-up reverses that buildup and brings efficiency back. Just as important, many manufacturer warranties require documented annual maintenance to stay valid, so skipping it can quietly void your coverage. Routine service also lets us flag a weak capacitor or low refrigerant in spring, instead of during the first 95° weekend when you need the system most.
Why Choose McCormick for AC Tune-Up and Maintenance?
McCormick is family-owned and operated, with 20+ years serving Greeley and Northern Colorado, backed by a 100% satisfaction guarantee. Our technicians are NATE- and EPA-certified, and our work is supported by manufacturer warranties.
Fast after-hours emergency HVAC service when your system can't wait.
What Areas Does McCormick Serve?
McCormick Heating & Cooling proudly serves Greeley and the surrounding Northern Colorado front range, including Fort Collins, Loveland, Longmont, Windsor, and Berthoud. Greeley is our home base and primary service area.
Whether you're scheduling a routine spring tune-up or need same-day service, our friendly local team is ready to help across the region. Explore our full range of cooling options on our air conditioning services page.
Frequently Asked Questions About AC Maintenance
Ready to Schedule Your AC Tune-Up?
Don't wait for the first heat wave to find out your AC needs attention. Schedule your pre-summer tune-up with McCormick today and head into summer with confidence, and a free estimate on any recommended work.
McCormick Heating & Cooling · 2881 S 31st Ave, Unit 3, Greeley, CO 80631 · Mon–Fri 8am–5pm
LIMITED TIME DEALS
HVAC SPECIALS
SEASONAL PROMOS
