- HEP Heat and Air
- Cooling Systems

Cooling Systems
Cooling Systems | HVAC Unit Replacement | Heating and Air Conditioning | Graysville
When summer humidity hangs heavy over Graysville or a surprise frost sneaks into early spring, your comfort depends on equipment that’s ready to respond instantly. HEP’s Cooling Systems Heating and Air Conditioning team specializes in HVAC unit replacement tailored to our region’s unique climate, swapping out outdated, energy-draining systems for high-efficiency models that slash utility bills and keep every room at the perfect temperature. From the first load calculation to the final thermostat test, our certified technicians make the entire process transparent, tidy, and surprisingly quick.
Homeowners across Graysville choose us for our honest assessments, upfront pricing, and the peace of mind that comes with industry-leading warranties. Whether your current unit is limping through one last season or has shut down altogether, we’re ready 24/7 with flexible financing options and hometown service you can trust. Enjoy quieter operation, cleaner indoor air, and year-round reliability—schedule your HVAC unit replacement with HEP today and feel the difference at the flip of a switch.
FAQs
How do I know it’s time to replace my HVAC system in Graysville?
Most systems last 12–15 years in our hot, humid climate. Warning signs include frequent breakdowns, uneven temperatures, rising power bills, loud operation, and the use of the phased-out R-22 refrigerant. If repairs begin to exceed 30–40 % of the cost of a new unit, replacement is usually the smarter long-term choice.
What does a new heating and cooling system typically cost in Graysville and what affects the price?
For an average 2,000 sq ft home, complete replacement runs $6,500–$12,000, but costs vary with system size (tonnage), SEER2/HSPF efficiency ratings, brand, whether gas heat or all-electric, ductwork modifications, and any indoor air-quality upgrades. Local utility rebates, federal tax credits, and manufacturer promotions can reduce the final price.
How long will my home be without heating or cooling during an HVAC replacement?
A straightforward change-out usually takes one working day. If new ductwork, electrical upgrades, or permits/inspections are needed, the job may extend to two or three days. We schedule installations so that at least partial cooling or heat is restored by evening whenever possible.
Are there energy-efficiency rebates or tax credits available in Graysville?
Yes. As of 2024, you may claim up to a $2,000 federal tax credit under the Inflation Reduction Act for qualifying high-efficiency heat pumps and a $600 credit for advanced air conditioners or furnaces. TVA-certified utilities and Alabama Power periodically offer $200–$800 rebates on ENERGY STAR systems, and manufacturers often add seasonal incentives. We file the paperwork and supply AHRI certificates to make the process easy.
How do you determine the right size HVAC unit for my house?
We perform a Manual J load calculation that factors in square footage, insulation levels, window types, orientation, number of occupants, local design temperatures in Graysville, and duct loss. Proper sizing prevents short-cycling, excessive humidity, and high utility bills, ensuring maximum comfort and equipment life.
Will I need permits or inspections for an HVAC replacement in Graysville, and do you handle them?
Yes. Jefferson County requires a mechanical permit and final inspection for any HVAC equipment change-out. We obtain all permits, schedule inspections, and provide you with copies of the approved paperwork. Proper permitting protects your warranty, keeps you code-compliant, and may be required by your homeowner’s insurance.