Airflow and Charge (AC) Check Overview

What is Airflow and Charge Check?

Airflow and Charge Check (AC Check) is Mass Save’s cooling system installation verification service. HVAC professionals are trained in the proper set-up techniques that help homeowners maximize equipment efficiency, energy savings, cooling system lifespan, and home comfort.
Airflow and Charge (AC) Check is a test procedure developed to verify that a new central air conditioning or heat pump installation has been properly adjusted to deliver optimal comfort, efficiency, and savings. An AC Check- trained installer will test the refrigerant charge and air flow to verify it is set to deliver proper comfort and performance. Repeated national studies have shown that as many as two out of three new installations have improper charge or improper air flow for the customers’ location. Air conditioning systems that pass an AC Check will operate more efficiently, meaning it’s less expensive to operate, and should last longer with fewer repairs.

What does a technician do when performing an Airflow and Charge Check?

The participating AC Check-trained contractor will measure refrigerant temperatures and pressures outside, indoor return and supply temperatures and humidity levels, plus indoor and outdoor electrical measurement at the equipment. The testing must be done when it is at least 60 degrees Fahrenheit outside and not raining – even warmer weather is preferred. Measures are reported through the Mass Save® AC Check software, and test results are delivered.

How the Electric Heating & Cooling Rebate Program Works:

Interested in Financing Your New Equipment?

Mass Save’s Program Administrators are bringing down interest rates to make energy efficiency more affordable for Massachusetts residents. With our HEAT Loan, you could qualify for a loan of up to $25,000 toward qualified energy efficient home improvements with terms up to seven years, depending on your Program Administrator and the loan provider. Central air conditioners and heat pumps must be installed by an AC Check trained contractor in order to be eligible for HEAT loan financing.

To get started, call Mass Save at 866-527-7283 to schedule a Home Energy Assessment. A Mass Save representative will review the results of the assessment, let you know which improvements would be eligible for HEAT Loan financing, and give you all the paperwork you need.

Central Air Conditioning and Heat Pumps

Mass Save® offers rebates up to $500 to residential electric customers for installing qualified high-efficiency central air conditioning systems or central heat pumps.

What’s a Central Heat Pump?

A central heat pump operates on the same principles as a central AC system but is able to provide heating as well as cooling by using the difference between outdoor air temperatures and indoor air temperatures to cool and heat your home.

Central Air Conditioning and Heat Pump Rebate Amounts

Equipment
Efficiency Requirement
Rebate Amount
SEER*
EER**
HSPF***
Central air conditioning system
≥ 16
≥ 13
N/A
$250
Central heat pump
≥ 16
N/A
≥ 8.5
$250
Central heat pump
≥ 18
N/A
≥ 9.6
$500

*Seasonal Energy Efficiency Ratio
**Energy Efficiency Ratio
***Heating Seasonal Performance Factor

SUBMIT YOUR REBATE ONLINE

PRINT REBATE FORM TO SUBMIT BY MAIL

Mini-Split Heat Pumps

Mass Save offers rebates up to $300 per indoor unit to residential electric customers for installing qualified Mini-Split Heat Pumps.

What’s a Mini-Split Heat Pump?

Mini-split heat pumps are efficient HVAC systems that can produce cooling for the summer months and heating in the winter months. A mini-split system is composed of two components: an outdoor condensing unit and one or more indoor air handling units, connected by a conduit through your wall.

Mini-Split Heat Pump Rebate Amounts

Qualifying
Products
SEER
EER
HSPF
Rebate
Amount

(per indoor Unit)
Mini-Split Heat Pump
≥18
NA
≥10
$100
Mini-Split Heat Pump
≥20
NA
≥12
$300

 

SUBMIT YOUR REBATE ONLINE

PRINT REBATE FORM TO SUBMIT BY MAIL

Mass Save® HEAT Loan

Your home energy project may be eligible for a 0% interest loan.

Mass Save’s Program Administrators are buying down the interest rates to make energy efficiency more affordable for Massachusetts residents. With our HEAT Loan, you could qualify for a loan of up to $25,000 toward qualified energy efficient home improvements with terms up to 7 years, depending on your Program Administrator and the loan provider.

To get started, call Mass Save at 866-527-7283 to schedule a Home Energy Assessment. A Mass Save representative will review the results of the assessment, let you know which improvements would be eligible for HEAT Loan financing, and give you all the paperwork you need.

Eligible Upgrades

The following are the HEAT Loan Eligible Services available for funding through our approved HEAT Loan Lenders:

How to Apply for a HEAT Loan

We offer easy, step-by-step instructions on how to apply for a HEAT Loan.

For Eversource and National Grid customers Mass Save has also developed the following videos:

 

The above videos are specifically related to Eversource and National Grid customers.

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