CX40X EVI MAX
Air-to-Water Heat Pump
Seasonal Average COP / SCOP 4.95 /COP 5.07
IPLV.SI COP 6.036 (w/w)
Seasonal Average EER 20.59
Product Description
Extreme Cold Climate Heat Pump T1. EVI MAX Operation To -22F / Supply Outlet Up To 149F
Optimized for record-setting cold-climate heating performance while still beating every other brand of air-to-water heat pump in the industry for cooling efficiency.
Includes DYNAMIC HUMIDITY CONTROL (DHC) factory Installed on all units.
Indisputable Fact:
The CX40X has the highest officially-certified heating & cooling efficiency ratings among all air-to-water heat pumps in its size range.
No requirement for Oxygen-Barrier PEX. The CX65X comes with a long-lasting stainless steel pump, all wet-contact components are non-ferrous.
Ratings:
| System | Test Conditions | Max Capacity @A95F kBTU/h | Seasonal COP | Seasonal EER |
|---|---|---|---|---|
| CX40 | Cooling at W55.4º | 31.04 | 8.44 | 28.80 |
| CX40 | Cooling at W44.6º | 25.54 | 6.04 | 20.59 |
| CX40 | Heating W95º/A47ºdb/43ºwb | 41.87 | SCOP 4.95 | *HSPF 16.89 |
Get the highest rated officially-certified seasonal average efficiency of any air-to-water heat pump for both heating and cooling.
The CX40 & CX40X use the same award-winning USA patented technology as CX34, CX35, CX50, and CX65.
What’s different about the X model? CX40X adds a stainless steel pump and has an aluminum front grill.
Performance Maps
CX40/CX40X Full Cooling Performance Map
CX40/CX40X Full Speed Heating Performance Map
CX40 / CX40X T3 Rating
CX40/CX40X Full Speed Heating Performance Map
CX40/CX40X Chiltrix SGS Rating
Cooling performance certified in accordance with the AHRI Air-Cooled Water-Chilling Packages Certification Program, which is based on AHRI Standard 550/590 (I-P) and AHRI Standard 551/591 (SI) Certified in accordance with the AHRI Air-Cooled Water-Chilling Packages Certification Program, which is based on AHRI Standard 550/590 (I-P) and AHRI Standard 551/591 (SI). Heating COP and SCOP is certified by SGS under EN14825 inclusive of EN14511-2, EN14511-3, EN50564.
Officially Certified World’s Record Efficiency

UL 60335-2-40 / UL 60335-1-40 CSA C22.2 / SGS
Product Documentation, Specs, and Certifications
Certified #1 in Efficiency
Introducing… The World’s Most Efficient Air-to-Water Heat Pumps
Maximum Flexibility:
- Heating
- Cooling
- Hot Water
- Radiant (Heating and/or Cooling)
- Ductless Fan Coils
- Ducted Systems
- Mini-Duct (Concealed Ceiling)
- Use any or all of the above together.
Ductless Room Fan Coil Units
Mount on Wall, Floor, or Ceiling. Four sizes from 1/4 to 1 ton.





For Ducted Systems:
Chiltrix is compatible with most standard hydronic air handlers and offers 4 AHUs sized up to 5 tons.
Radiant Heating
Use your Chiltrix Air To Water Heat Pump with an in-floor radiant heating (or cooling) system.
Domestic Hot Water With Air To Water Heat Pump
Let the Chiltrix unit perform your water heating and get up to 70% annual water heating savings.
AHRI PERFORMANCE AWARD
6 Consecutive 3-Year Awards


