If you are considering replacing your air conditioner, furnace, or water heater in Central Kentucky area, you may be concerned about costs. Greenbox Heating & Air created this HVAC Pricing Guide to help homeowners understand what to expect before scheduling an in-home estimate. This guide provides starting installation prices, monthly payment examples for various air conditioners, furnaces, and water heaters, and a comparison of features for our Good, Better, and Best equipment options.
Each home in Lexington is different, so HVAC or water heater installation costs can vary based on equipment size and efficiency, ductwork, venting, electrical or gas upgrades, system accessibility, code requirements, and other factors. To provide transparency, Greenbox Heating & Air outlines the most common factors that influence pricing, so you understand where your investment goes. Use this guide to compare AC replacement costs in Lexington KY, then contact our team to discuss the best equipment and installation options for your home.
AC Installation Pricing Guide*
A new central air conditioner installation starts at $6,500 for a Carrier Comfort™ 16 system, $7,500 for a Carrier Performance™ system with InteliSense™ technology, and $10,000 for a Carrier Infinity® 21 variable-speed system. Upgrades are available for quieter operation, advanced system monitoring, improved humidity control, and increased energy efficiency. Final pricing depends on your home’s cooling requirements and installation complexity.
AC Installation Pricing
Air Conditioner Installation Cost per Month
- Carrier 26SCA5 Comfort Air Conditioner – Starting at $96 per Month (Good)
- Carrier 26SPA6 Performance Air Conditioner – Starting at $125 per Month (Better)
- Carrier 26VNA1 Infinity Air Conditioner – Starting at $185 per Month (Best)
The pricing shown represents a typical air conditioning replacement. Your final price may vary based on your home’s specific needs.
What Factors Influence the Cost of an Air Conditioner Installation?
- System size and capacity required to properly cool your home
- Efficiency level and equipment selected
- Electrical upgrades needed to meet current code requirements
- Ductwork modifications, repairs, or transitions
- Refrigerant line-set replacement or modifications
- Drainage or condensate modifications
- Equipment location or accessibility, including attic, crawlspace, or rooftop installations
- Permit, inspection, or code-required upgrades
- Other installation conditions identified during an in-home evaluation
We’ll review any required changes and pricing with you before work begins; no surprise charges.
Furnace Installation Pricing Guide*
Wondering about the monthly cost of a new furnace? We want you to see real prices before you book an appointment. Our furnaces start at $66 per month for the Carrier Comfort™ 96, $92 per month for the Carrier Performance™ 97, and $118 per month for the Carrier Infinity® 98. All of these options offer high-efficiency Carrier heating. You can also choose upgrades for more consistent temperatures, quieter operation, better humidity control, and advanced system technology. Your actual price will depend on the size of furnace your home needs and how complex the installation is.
Furnace Installation Pricing
Furnace Installation Cost per Month
- Carrier 59SC6 Comfort 96 Gas Furnace – Starting at $66 per Month (Good)
- Carrier 59TP7 Performance 97 Gas Furnace– Starting at $92 per Month (Better)
- Carrier 59MN7 Infinity 98 Gas Furnace – Starting at $118 per Month (Best)
The pricing shown represents a typical furnace replacement. Your final price may vary based on your home’s specific needs.
What Factors Influence the Cost of a Furnace Installation?
- Furnace size and heating capacity required for your home
- Efficiency level and equipment selected
- Gas piping modifications or upgrades
- Electrical upgrades needed to meet current code requirements
- Venting, flue, or combustion-air modifications
- Ductwork modifications, repairs, or transitions
- Condensate drainage requirements for high-efficiency equipment
- Equipment location or accessibility, including attic or crawlspace installations
- Permit, inspection, or code-required upgrades
- Other installation conditions identified during an in-home evaluation
We’ll review any required changes and pricing with you before work begins; no surprise charges.
Water Heater Installation Pricing Guide*
Choosing a new water heater comes down to more than just the purchase price. It also means deciding which type of system best fits your home, hot water needs, and installation. Our water heater options start at $2,000 for a Bradford White atmospheric-vent gas water heater, a traditional tank-style system featuring Bradford White’s ICON System®, Defender Safety System®, Hydrojet® sediment-reduction technology, and Vitraglas® tank lining.
For homes that require greater venting flexibility, our Bradford White power-vent option starts at $3,000 and uses a powered blower that allows exhaust to be vented horizontally or vertically through a wall or roof. For homeowners looking for premium efficiency and tankless performance, the Navien NPE-240A2 starts at $8,000 and combines a 0.95 UEF rating with dual stainless steel heat exchangers, built-in ComfortFlow® recirculation, and continuous hot-water delivery of up to 11.2 GPM depending on temperature rise.
The final installed price can vary based on venting, gas-line, electrical, plumbing, and other installation requirements.
Water Heater Installation Pricing
Water Heater Installation Cost per Month
- Bradford White RG240T6N Atmospheric Vent Gas Water Heater – Starting at $26 per Month (Good)
- Bradford White RG1PV40S6N Power Vent Gas Water Heater – Starting at $39 per Month (Better)
- Navien NPE24A2 High Efficiency Condensing Tankless Water Heater – Starting at $105 per Month (Best)
The pricing shown represents a typical water heater replacement. Your final price may vary based on your home’s specific needs.
What Factors Influence the Cost of a Water Heater Installation?
- Tank size, capacity, and equipment selected
- Gas or electrical upgrades required for the new water heater
- Gas piping modifications
- Water supply or plumbing modifications
- Venting or combustion-air modifications
- Expansion tank or pressure-control requirements
- Drain pan, drain line, or other water-protection requirements
- Code-required safety upgrades
- Equipment location or accessibility
- Permit and inspection requirements
- Conversion to a different type of water heater, such as tankless, power-vented, or electric
- Other installation conditions identified during an in-home evaluation
We’ll review any required changes and pricing with you before work begins; no surprise charges.
Ready to Move From Estimated Pricing to a Real Quote?
Online pricing is a helpful starting point, but the most accurate way to determine the cost of a new air conditioner, furnace, or water heater is to have your home evaluated by an experienced professional. Every installation has unique variables—such as system capacity, efficiency ratings, ductwork configuration, venting, gas lines, electrical demands, and municipal code requirements—that influence your final investment. GreenBox Heating & Air will carefully assess these conditions with you, walk you through your options, and present transparent pricing before any work begins.
For homeowners in Central Kentucky, GreenBox Heating & Air provides expert service, clear recommendations, and dependable solutions tailored to your specific comfort needs and budget. Our team is dedicated to making the replacement process straightforward and stress-free from start to finish.
Ready to move from estimated pricing to a guaranteed quote? Contact GreenBox Heating & Air today to schedule your in-home estimate. We will help you compare Good, Better, and Best options, answer your questions, and provide the clarity you need to make the right choice for your home.
Call (859) 203-5124 or request your estimate online today.
* All prices on this page are for informational purposes only. The listed prices do not constitute an offer
Page Updated on September 25, 2026
