PROFESSIONAL-GRADE HVAC SYSTEMS FOR ANY INSTALLATION TYPE
Professional HVAC Systems
High-performance HVAC systems built for residential and light commercial applications. This collection includes package units, traditional split systems, and side discharge equipment designed for reliability, efficiency, and long-term durability.
-

MRCOOL 2nd Gen VersaPro & Hyper Heat Central Ducted Electric Heat Kit — 5kW, 8kW, 10kW, 15kW, 20kW
No reviewsVendor:Aux/Emergency HeatRegular price $155.00Sale price $155.00 Regular price$193.75You Save: $38.75Unit price / per✅ In StockShop NowSave $38.75 -
MRCOOL 10kW Heat Kit for Central Ducted VersaPro® 2nd Gen Air Handler, MVPHK10
No reviewsVendor:2nd Gen HyperHeat & VersaProRegular price $199.00Sale price $199.00 Regular price$248.75You Save: $49.75Unit price / per⚠️ Only 9 left in stock!Shop NowSave $49.75 -
MRCOOL 50 ft. 3/8" x 3/4" No-Vac Pre-Charged Line Set for Central Ducted Hyper Heat 2nd Gen & VersaPro 2nd Gen (R-454B Refrigerant)
No reviewsVendor:NEW R-454B RefrigerantRegular price $652.00Sale price $652.00 Regular price$815.00You Save: $163.00Unit price / per✅ In StockShop NowSave $163.00 -
MRCOOL 35 ft. 3/8" x 3/4" No-Vac Pre-Charged Line Set for Central Ducted Hyper Heat 2nd Gen & VersaPro 2nd Gen (R-454B Refrigerant)
6 reviewsVendor:NEW R-454B RefrigerantRegular price $490.00Sale price $490.00 Regular price$612.50You Save: $122.50Unit price / per✅ In StockShop NowSave $122.50 -
MRCOOL 15kW Heat Kit for Central Ducted VersaPro® 2nd Gen Air Handler, MVPHK15
No reviewsVendor:2nd Gen HyperHeat & VersaProRegular price $215.00Sale price $215.00 Regular price$268.75You Save: $53.75Unit price / per⚠️ Only 17 left in stock!Shop NowSave $53.75 -
MRCOOL 15 ft. 3/8" x 3/4" No-Vac Pre-Charged Line Set for Central Ducted Hyper Heat 2nd Gen & VersaPro 2nd Gen (R-454B Refrigerant)
4 reviewsVendor:NEW R-454B RefrigerantShop NowRegular price $337.00Sale price $337.00 Regular price$397.25You Save: $60.25Unit price / perSold out -
MRCOOL Universal (2nd Gen) Air Handler Electric Heat Kit w/ Circuit Breaker — 5kW, 8kW, 10kW, 15kW, 20kW
No reviewsVendor:Aux/Emergency HeatRegular price $183.00Sale price $183.00 Regular price$228.75You Save: $45.75Unit price / per✅ In StockShop NowSave $45.75 -
MRCOOL 5kW Heat Kit for Central Ducted VersaPro® 2nd Gen Air Handler, MVPHK05
No reviewsVendor:2nd Gen HyperHeat & VersaProRegular price $155.00Sale price $155.00 Regular price$193.75You Save: $38.75Unit price / per⚠️ Only 16 left in stock!Shop NowSave $38.75 -
Electric Heat Strip Kit for MrCool Signature Series Air Handler - with Circuit Breaker
No reviewsVendor:MRCOOL DIY DirectRegular price $161.00Sale price $161.00 Regular price$201.25You Save: $40.25Unit price / per❌ Out of StockShop NowSold out -
Horizontal Application MrCool 14" Square to Round Adapter Kit (18.125" Supply & 18.125" Return)
No reviewsVendor:Duct AdapterRegular price $188.00Sale price $188.00 Regular price$235.00You Save: $47.00Unit price / per⚠️ Only 12 left in stock!Shop NowSave $47.00 -
MrCool 14" Square to Round Adapter Kit M14SR4260
No reviewsVendor:Duct AdapterRegular price $192.00Sale price $192.00 Regular price$240.00You Save: $48.00Unit price / per❌ Out of StockShop NowSold out -
MRCOOL 20kW Heat Kit for Central Ducted VersaPro® 2nd Gen Air Handler, MVPHK20
No reviewsVendor:2nd Gen HyperHeat & VersaProRegular price $446.00Sale price $446.00 Regular price$557.50You Save: $111.50Unit price / per🟡 Inventory is getting lowShop NowSave $111.50 -
MRCOOL Downflow Application 14-Inch Square to Round Adapter Kit for MRCOOL 2-3 Ton Signature Series Package Units (M14DSR2436A)
No reviewsVendor:Downflow KitRegular price $167.00Sale price $167.00 Regular price$208.75You Save: $41.75Unit price / per⚠️ Only 12 left in stock!Shop NowSave $41.75 -
MRCOOL Downflow Application 14" Square to Round Adapter Kit for MRCOOL 3.5-5 Ton Signature Series Package Units, M14DSR4260A
No reviewsVendor:MRCOOLRegular price $107.00Sale price $107.00 Regular price$133.75You Save: $26.75Unit price / per✅ In StockShop NowSave $26.75 -
MRCOOL Propane Conversion Kit for Signature Air Conditioner & Gas Package Unit MLP1PSA
No reviewsVendor:Propane Conversion KitRegular price $90.00Sale price $90.00 Regular price$112.50You Save: $22.50Unit price / per🟡 Inventory is getting lowShop NowSave $22.50 -

MRCOOL High Altitude Propane Conversion Kit for Signature Series Single Stage Gas Furnace MLP1SH
No reviewsVendor:Propane Conversion KitRegular price $260.59Sale price $260.59 Regular price$296.01You Save: $35.42Unit price / per🟡 Inventory is getting lowShop NowSave $35.42 -
MRCOOL Propane Conversion Kit for Signature Series Single Stage Gas Furnace MLP1SS
No reviewsVendor:Propane Conversion KitRegular price $221.00Sale price $221.00 Regular price$276.25You Save: $55.25Unit price / per❌ Out of StockShop NowSold out -
MRCOOL MPDK2436 2 to 3 Ton Downflow Kit for Signature Package Unit
No reviewsVendor:Downflow KitRegular price $191.00Sale price $191.00 Regular price$238.75You Save: $47.75Unit price / per⚠️ Only 12 left in stock!Shop NowSave $47.75 -
1.5 to 2.5 Ton Downflow Kit for MrCool Signature Split System Air Handler
No reviewsVendor:Downflow KitRegular price $157.00Sale price $157.00 Regular price$196.25You Save: $39.25Unit price / per⚠️ Only 11 left in stock!Shop NowSave $39.25 -
MRCOOL Universal® 36,000 BTU 3 Ton DC Inverter Packaged Heat Pump – R32 – 18 SEER2 – Single Phase (MDPH18036D)
No reviewsVendor:MRCOOL® Universal® SeriesRegular price $6,327.00Sale price $6,327.00 Regular price$7,908.75You Save: $1,581.75Unit price / per⚠️ Only 12 left in stock!Shop NowSave $1,581.75
Frequently Asked Questions About Professional HVAC Systems
Quick answers to common questions about professional HVAC systems, including package units, split systems, and side discharge equipment. Learn about installation requirements, system types, performance, and how to choose the right MRCOOL HVAC solution for your application.
What is a professional HVAC system and how is it different from DIY systems?
Professional HVAC systems include equipment such as package units, traditional split systems, and side discharge condensers designed for high-performance residential and light commercial applications. Unlike DIY systems, these units are typically installed using standard HVAC practices and may require licensed installation depending on the configuration, electrical, and local code requirements. Many MRCOOL systems offer flexibility, allowing for both traditional and simplified installation depending on the model.
What types of HVAC systems are included in this collection?
This collection includes a range of professional-grade HVAC equipment, including package units, split system air conditioners, heat pumps, and side discharge systems. These systems are designed to deliver reliable heating and cooling performance while supporting a variety of installation methods and application types.
What is a package unit HVAC system?
A package unit HVAC system is an all-in-one heating and cooling system that houses all major components in a single outdoor unit. These systems are commonly used in residential and light commercial applications where space is limited or rooftop installation is preferred. MRCOOL package units are designed for efficiency, durability, and simplified installation compared to traditional multi-component systems.
What is a split system HVAC system?
A split system HVAC setup separates the system into two main components: an outdoor condenser and an indoor air handler or furnace. This configuration allows for flexible installation and is one of the most common HVAC system types used in homes. MRCOOL split systems are designed to deliver high-efficiency performance while maintaining compatibility with traditional HVAC installation methods.
What is a side discharge HVAC system and when should I use one?
A side discharge HVAC system is a compact outdoor unit that releases air horizontally instead of vertically. These systems are ideal for tight spaces, modern home designs, and installations where noise reduction and lower profile equipment are preferred. MRCOOL side discharge systems provide efficient performance while offering a more compact footprint compared to traditional top-discharge units.
Can professional HVAC systems be installed by homeowners?
In many cases, professional HVAC systems are installed by licensed technicians due to electrical, refrigerant, and code requirements. However, some MRCOOL systems are designed with installation flexibility in mind, allowing experienced homeowners or hybrid installations where certain components may be installed without specialized tools. Always verify local codes and system requirements before installation.
Are these HVAC systems suitable for residential and commercial use?
Yes. The systems in this collection are designed for both residential homes and light commercial applications. Whether you’re installing in a single-family home, shop, or small business, MRCOOL professional-grade HVAC equipment is built to deliver reliable, energy-efficient performance across a wide range of environments.
How do I choose the right HVAC system for my application?
Choosing the right HVAC system depends on factors such as square footage, insulation, climate, and installation type. Package units are ideal for compact or rooftop installations, split systems offer flexibility for traditional setups, and side discharge systems work well in space-constrained environments. Proper sizing and system selection are critical for performance and efficiency, so it’s important to match the equipment to your specific application.










