New central AC, swamp cooler conversions and high-efficiency upgrades for Castle Rock homes, with a written proposal first.
Thinking about new central air in Castle Rock? Castle Rock is the Douglas County seat and one of the faster-growing towns in Colorado, sitting noticeably higher than Denver. A fast-growing town with a large share of construction from the 2000s onward, plus older homes near downtown. We size systems by calculation, place condensers with noise and hail in mind, and install with the cleanliness our clients expect.
Builder-installed AC in newer neighborhoods often struggles on upper floors, and hail exposure on open lots shortens condenser life.
Most AC disappointments come from airflow, not the brand. We size by load calculation, fix undersized returns when needed, and install matched equipment with a deep vacuum and measured charge. We set the condenser on a proper pad with hail protection options and clearances that keep it breathing.
Denver-area cooling loads are mostly dry heat rather than humidity, and at about 6,200 feet the sun is intense. That changes equipment settings and airflow targets, and we set them for Castle Rock conditions rather than generic defaults.
| Service | Typical range |
|---|---|
| Central AC on an existing furnace and ductwork, 2 to 3 ton | $6,000 to $9,000 |
| High-efficiency two-stage or variable-speed AC | $9,000 to $14,000 |
| Swamp cooler to central AC conversion | $7,500 to $14,000+ |
| First-time AC requiring new ductwork | $12,000 to $20,000+ |
Typical range, exact quote after free estimate. Consider a heat pump too: qualifying systems may be eligible for Xcel Energy and Colorado incentives.
For the full picture on AC installation, including how we approach every job, see our ac installation in Denver guide. Members of our Comfort Club get free diagnostics, repair discounts and front-of-line priority, and you can always reach us directly.
We also provide AC installation in nearby Castle Pines, Parker, Lone Tree and Highlands Ranch.
Send a few details and we'll get back to you the same day with honest, upfront pricing. Heat or AC down right now? Call or text, we're on it.
We received your request and will reply the same day. Need us now? Call (720) 610-1289.
White-glove heating and cooling, honest pricing and a free estimate on every new system.
