- HEP Heat and Air
- Complete System Replacement

Complete System Replacement
Complete System Replacement | Air Conditioning | Heating and Air Conditioning | Lake City
Feel the instant relief of a brand-new, high-efficiency HEP complete system replacement that banishes Lake City’s sticky summers and bone-chilling winters in one smart upgrade. Our certified technicians size, install, and fine-tune every component—from ultra-quiet condensers to precision thermostats—so your home breathes easier, your energy bills shrink, and your comfort never takes a day off. Most replacements are wrapped up in a single visit, and every system is backed by industry-leading warranties plus flexible financing options to keep your budget just as comfortable.
When it’s time to trade repair headaches for dependable performance, choose the local team that treats your house like their own. Schedule your free estimate today and discover how effortless air conditioning perfection can feel when HEP handles the heavy lifting.
FAQs
How do I know it’s time to replace my entire heating and air-conditioning system?
Most Lake City homeowners start considering replacement when their equipment is 12–15 years old, requires frequent repairs, or struggles to maintain comfortable temperatures. Rising utility bills, uneven cooling, unusual noises, or the use of outdated R-22 refrigerant are also strong indicators. A professional load calculation and inspection will confirm whether a full system replacement is more cost-effective than continued repairs.
What is included in a “complete system replacement”?
A complete HVAC system replacement typically covers removal and disposal of your existing air conditioner, furnace or air handler, refrigerant lines, thermostat, and sometimes ductwork modifications. The new installation generally includes a matched high-efficiency outdoor condenser, indoor evaporator coil, air handler or furnace, smart thermostat, new refrigerant lines, drain lines, electrical whip and disconnect, and startup testing with a permit-required inspection by Lake City building officials.
How long does the replacement process take from start to finish?
Once equipment is in stock and permits are issued, most residential projects in Lake City are completed in one day. Complex jobs that require duct redesign, zoning, or extensive electrical upgrades can extend to two or three days. Our team handles permitting, load calculations, equipment delivery, installation, inspection scheduling, and final system commissioning to minimize downtime for your family.
What size air conditioner do I need for Lake City’s climate?
Proper sizing depends on the Manual J load calculation, which considers square footage, insulation levels, window orientation, occupancy, and local weather data. Oversizing leads to short cycling and humidity problems, while undersizing causes constant run-time and higher bills. During a free consultation, we measure your home and use Lake City’s design temperatures to recommend the right tonnage—usually between 2 and 5 tons for most single-family homes.
Are rebates, tax credits, or financing options available for new HVAC systems in Lake City?
Yes. Many ENERGY STAR® certified systems qualify for federal tax credits of up to 30% of the project cost (capped at $2,000 for heat pumps as of 2023). Local utilities such as Florida Power & Light often offer rebates for high-SEER/SEER2 equipment. We also provide several low-interest and no-interest financing plans through trusted lenders, allowing you to spread payments over 6–120 months with approved credit.
How will a new system improve comfort and reduce energy bills?
Modern HVAC units feature higher SEER/SEER2 ratings, variable-speed compressors and blowers, and smart thermostats that optimize runtime based on actual demand. These technologies cut cooling costs by 20–50% compared to 10-year-old units. A properly sized, sealed, and balanced system removes more humidity, delivers steadier temperatures, and reduces hot or cold spots, creating a healthier, quieter indoor environment for Lake City homes.