Are 95% AFUE Furnaces Worth It in Castle Rock?
For most Castle Rock homes, a 95% AFUE furnace is worth the extra money, because our heating season is long enough for the savings to add up. Homes here need heat for most of the year, not just a few weeks in midwinter. That long run is what pays back a high-efficiency furnace, because the […]
Repair or Replace Your HVAC in Castle Rock: How to Decide
In Castle Rock, a good rule of thumb is to repair when your system is under about 10 years old and the fix costs less than half of a new unit, and to seriously look at replacement once you are past year 12 to 15 and facing a big-ticket repair. Age, repair cost, and how […]
How High Altitude Affects HVAC Performance in Castle Rock, CO
At Castle Rock’s elevation of about 6,224 feet, the thinner air pulls real performance out of both your furnace and your air conditioner, and a gas furnace has to have its heat output dialed back by roughly 17 percent compared to how it would run at sea level. That is not a defect. It is […]
How to Prevent HVAC Freeze-Ups During Castle Rock Temperature Swings
To keep your HVAC system from freezing up during Castle Rock’s wild temperature swings, don’t run the AC when it’s cool outside, keep a clean filter in the unit, and get the refrigerant charge checked once a year. Around here the gap between the afternoon high and the overnight low can reach 21 to 26 […]
Is a Heat Pump Better Than a Furnace and AC in Douglas County, Colorado?
For a lot of Castle Rock homes, a cold-climate heat pump can heat and cool the whole house on its own and cost less to run than a gas furnace paired with a separate AC. Whether it is the better choice for your home comes down to your insulation, your ductwork, and how your electric […]
How Much Does Furnace Repair Cost in Castle Rock, CO?
Most furnace repairs in Castle Rock land somewhere between $150 and $1,500, and the typical bill sits closer to $300 to $600 once you factor in Front Range labor rates. A simple fix like a flame sensor cleaning can come in under $200, while a major part like a blower motor or heat exchanger can […]
Why Is My Furnace Making a Banging Noise During Ignition in Castle Rock?
A banging or booming sound right when your furnace lights up is almost always delayed ignition. Gas builds up in the combustion chamber for a moment before it catches, and when it finally lights, all that gas ignites at once in a small controlled explosion. That is the bang you hear, and in Castle Rock […]
Colorado’s 2026 High-Efficiency HVAC Rules: What Castle Rock Homeowners Need to Know
Colorado’s big 2026 change is an emissions rule, not an efficiency mandate. Under state House Bill 23-1161, the law says that starting January 1, 2026, new gas furnaces and water heaters offered for sale or lease in Colorado have to meet ultra-low NOx emission limits. For a Castle Rock furnace, that limit is 14 nanograms […]
Why Is My AC Running but Not Cooling My Castle Rock Home?
If your AC is running but the air coming out is barely cool, the most common cause in Castle Rock is a frozen evaporator coil or a low refrigerant charge, and both usually trace back to airflow or a small leak. Castle Rock summer afternoons in July typically climb into the mid 80s, with the […]
What to Check Before Calling for Furnace Repair in Castle Rock
Before you call anyone in Castle Rock, run through a short list: confirm the thermostat is set to heat and reading right, check that the furnace switch and breaker are on, look at your air filter, and make sure the furnace door panel is fully seated so the safety switch engages. Half the “no heat” […]