CX40 Heat Pump

CX40X EVI MAX

Air-to-Water Heat Pump

3.5 Tons Heating (41.87 kBtu/h)
Seasonal Average COP / SCOP 4.95 /COP 5.07
2.1 Tons Cooling (25.54 kBtu/h)
IPLV.SI COP 6.036 (w/w)
Seasonal Average EER 20.59
AHRI Cert Badge 550/590

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:

SCOP (Seasonal Coefficient of Performance) heating in accordance with IEC EN14825 *HSPF ratings are not available under EN14825 and are calculated from SCOP. EER & IPLV (Seasonal EER) in accordance with AHRI 550/590
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

What are the details of SCOP?

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.

World Record Icon

Officially Certified World’s Record Efficiency

AHRI Certification Mark

UL 60335-2-40 / UL 60335-1-40 CSA C22.2 / SGS

 

Product Documentation, Specs, and Certifications

Certified #1 in Efficiency

World Record Icon

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.

Chiller Wall Mounted Fan Coil

Chiller Fan Coil Floor

Ceiling Fan Coil

High Wall FCU

Cassette FCU

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

Available Rebates and Incentive Programs

CEC logo Mass Save logo Efficiency Vermont logo NYS Clean Heat logo Energize CT NEHPA Logo
John Williams speaking at US Heat Pump Summit 2026 AHR Chicago 2027 Event