Located in the heart of Jefferson County, Festus is a thriving community with over 4,900 households and a housing market that continues to show healthy growth. With an average home value of $289,370 and 20+ homes sold last month alone, it's clear that buyers see the long-term potential of owning property here. Plus, a new HVAC system can increase your home’s value by 5 to 10%.
But with Missouri’s shifting climate — hot summers that reach 89°F in July (before the humidity kicks in) and winter lows dipping to 26°F in January — having a reliable, high-performing HVAC system isn’t just a comfort upgrade; it’s essential.
At Crystal Heating & Cooling, we help homeowners and business owners across Festus and nearby areas like Crystal City, De Soto, High Ridge, and Cedar Hill stay comfortable year-round. Whether you’re looking to replace outdated HVAC equipment, install a heat pump, repair your furnace, or upgrade your ductwork, our skilled technicians are here to deliver long-lasting results.
Upgrading to a modern heating and cooling system doesn’t just improve comfort—it can also raise your home’s market value, boost energy efficiency, and enhance indoor air quality. In fact, industry data shows that HVAC upgrades are among the top improvements when it comes to return on investment and curb appeal.
We offer:
- Free estimates on all HVAC services
- Fast response for emergency repairs
- Flexible maintenance agreements
- Full-service support for new construction, remodels, and system replacements
- A wide range of energy-efficient HVAC products
When you need a trusted HVAC company in Festus, MO, Crystal Heating & Cooling is ready to help. Request a service call and experience the difference our experience, expertise, and commitment to customer satisfaction can make.
At Crystal Heating & Cooling, we don’t just talk about quality — we prove it.
We are proud to be a Carrier Authorized Dealer, a distinction that reflects our deep commitment to providing superior products, knowledgeable service, and unmatched customer care. Our technicians are professionally trained, fully licensed, and insured, ensuring homeowners and business owners receive HVAC solutions they can genuinely rely on.
We are also a multi-year winner of Carrier’s prestigious President’s Award. This award is given only to Carrier Factory Authorized Dealers who demonstrate excellence in customer satisfaction, operational performance, and overall HVAC expertise.
We're a Carrier Factory Authorized Dealer.
We offer access to the most energy-efficient, dependable, and environmentally friendly heating and cooling products. We tailor each system to meet your unique comfort needs—whether for your home, business, or new construction project. And with our 100% Satisfaction Guarantee, you can trust that your comfort and confidence are always our top priorities.
When choosing Crystal, you choose award-winning service backed by decades of proven performance. Contact us today and experience the trusted expertise that’s made us a leader in Festus HVAC services, year after year.
