At Middle Country Mechanical, we’re proud to bring top-quality heating, cooling products from Ameristar, American Standard & Mitsubishi to homeowners and businesses across Middle Tennessee.
Request Servicerequest quoteWe proudly carry Ameristar, American Standard, and Mitsubishi Electric products for your heating & cooling needs.

Stay cool. Our AccuComfort™ Variable Speed Platinum 18 Air Conditioning System comes with AccuComfort™ technology that allows the system to consistently adjust to run at a more efficient speed.
Plus, with up to 18.00 SEER, this variable-speed A/C is one of the most efficient home air conditioners on the market.
American Standard® AccuComfort™ Air Conditioner Condenser, Series: Platinum 18 Series, 4 ton Nominal Capacity, 17.5 SEER, 700 Stages, R-410A Refrigerant, 55 to 75 dBA Sound Level, Aluminum/Steel, Finish: Powder-Painted, 41 in H x 34 in W x 37 in D

American Standard's Silver Series convertible air handlers offer an ideal blend of affordability and compatibility with our air conditioners and heat pumps.
In addition to providing quiet, consistent airflow, they're also designed for long-term performance: durable components include all-aluminum coils, corrosion-resistant cabinet finishes and polymer drain pans.
With a full range of sizes and configurations, you have the assurance there's an appropriate model to meet your family's comfort needs.
American Standard® Air Handler, Series: Silver Series, Model: 5TEM4, 18000 to 30000 Btu/hr, R-454B Refrigerant, Metal, Finish: Painted, 46.8 in H x 18.5 in W x 21.1 in

The AccuComfort™ Variable Speed Platinum 20 Heat Pump is a high-efficiency residential heat pump designed to provide year-round comfort with precise temperature control, quieter operation, and optimized energy use. It continually adjusts its performance to meet your home’s heating and cooling needs more efficiently than traditional single-stage systems

American Standard® Heat Pump Package Unit, 2 ton Nominal Capacity, 23800 Btu/hr Cooling, 14700 Btu/hr, 23200 Btu/hr Heating, 208 - 230 V, 2.09 kW Wattage, 1/12 hp, 60 Hz, 1 ph Phase, 850 rpm Rotational Speed, Scroll Compressor, 770 cfm, 14 SEER, 7 HSPF, 11 EER Rating, Convertible, 3/4 in FNPT Drain Connection, R-410A Refrigerant, 2 Stages, 30 A Fuse Rating, 66.4 dB Sound Level, Direct Drive, 13.32 sq-ft Face Area Outdoor, 3-1/2 sq-ft Face Area Indoor Coil, 24 FPI Outdoor, 15 FPI Indoor Fins per Inch, Steel, Finish: Enamel, 55 to 115 deg F, 46 in H x 52 in W x 45 in D

The Silver S9X1 is a single-stage gas furnace from American Standard’s Silver Series designed to balance efficiency, reliability, and comfort at an affordable price point. It’s a popular choice for homeowners who want strong heating performance without the higher cost of multi-stage or variable-speed systems.

American Standard® Heat Pump Package Unit, 2.5 ton Nominal Capacity, 29000 Btu/hr Cooling, 15400 Btu/hr, 26400 Btu/hr Heating, 208 - 230 V, 2.45 kW Wattage, 1/5 hp, 60 Hz, 1 ph Phase, 825 rpm Rotational Speed, Scroll Compressor, 1000 cfm, 14 SEER, 6.7 HSPF, 10.6 EER Rating, Convertible, 3/4 in MNPT Drain Connection, R-410A Refrigerant, 1 Stages, 35 A Fuse Rating, 78.8 dBA Sound Level, Direct Drive, 13.2 sq-ft Face Area Outdoor, 4.56 sq-ft Face Area Indoor Coil, 16 FPI Outdoor, 16 FPI Indoor Fins per Inch, Steel, Finish: Enamel, 55 to 115 deg F, 61-1/8 in L x 36-3/8 in W x 40-7/8 in H

Ameristar® Air Conditioner Condenser, Series: A4AC4 Series, 2 ton Nominal Capacity, 14.3 SEER, 1 Stages, R-410A Refrigerant, 3/8 in Liquid Line, 3/4 in Suction Line, 71 to 74 dBA Sound Level, Aluminum/Steel, Finish: Painted, 28.6 in H x 29.8 in W x 29.8 in D.
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Our best value air conditioner. The latest introduction to our air conditioning line, providing homeowners with excellent comfort and savings. The Silver 14's design provides your home with the reliable cooling you would expect from American Standard and the efficiency you require from a new central air conditioning unit.
American Standard® Air Conditioner, Silver Series, Model: Silver 14, 2 ton Nominal Capacity, 24000 Btu/hr, 208-230 V, 14 A, 60 Hz, 1 Phase, 14.8 SEER, 1 Stages, R-454B Refrigerant, 71 dBA Sound Level, 25 A Fuse Rating, 33 in H x 30 in W x 33 in D
No matter where you are in Middle Tennessee, your comfort is our priority. From summer heat waves to winter chills, we’re here to keep your home or business at the perfect temperature year-round.
Here are some answers to your most asked HVAC questions from the Middle Country Mechanical team.
Yes! At Middle Country Mechanical, we provide 24/7 emergency HVAC repair across Middle Tennessee. Whether it’s a late-night breakdown, weekend outage, or holiday emergency, our technicians are always on call to restore your comfort quickly.
At Middle Country Mechanical, we specialize in American Standard and Mitsubishi HVAC systems for their reliability and efficiency. However, our skilled technicians are trained to service and repair all major HVAC brands to meet your needs.
Yes! We offer convenient HVAC financing options through Wells Fargo to make upgrading your heating and cooling system more affordable. Our team can walk you through the application process and help you choose a payment plan that fits your budget.
At Middle Country Mechanical, we recommend scheduling HVAC maintenance twice a year—once in the spring for your cooling system and once in the fall for your heating system. Regular service helps keep your home comfortable and prevents costly repairs.
Most residential HVAC systems last 10–15 years with proper maintenance. Our team at Middle Country Mechanical can help extend the life of your system with professional tune-ups and repairs.
Use JambIf you notice weak airflow, strange noises, uneven temperatures, or higher-than-normal energy bills, it’s time to call Middle Country Mechanical for fast and reliable HVAC repair.o for analyzing and engaging with customer feedback, unlocking valuable insights, and revealing new releases.
We recommend changing your air filters every 1–3 months. Homes with pets, allergies, or higher usage may need more frequent replacements to keep air quality healthy.
The right size depends on your home’s square footage, insulation, windows, and layout. Middle Country Mechanical offers professional load calculations to ensure your HVAC system is properly sized for efficiency and comfort.
Yes! High-efficiency systems can lower your energy bills, improve indoor comfort, and qualify for rebates or tax credits. Middle Country Mechanical can help you choose the best option for your home.
Our experts can recommend solutions such as air purifiers, dehumidifiers, UV lights, and duct cleaning to keep your home’s air fresh and healthy.
We're proud partners with Ameristar, American Standard, and Mitsubishi Electric – industry leaders in heating and cooling technology. While we specialize in these trusted brands, we service all brands of HVAC equipment, so no matter what system you have, we've got you covered.



Get flexible financing through Wells Fargo.
Safeguard your investment with industry leading JB Warranties.