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Heating and cooling maintenance with Nalk

An Energy Savings Agreement (ESA) arranges seasonal maintenance for your heating and cooling system. Call our office to choose a plan and arrange your first visit.

Serving the Central Valley since 1986
CSLB License #497476. Licensed, bonded, and insured.

Current special: pay for one year, get the second year free

Two Years, One Payment. For eligible customers who sign up September 23 through December 31, 2026.

Duration and work
24 months from signup. 4 maintenance visits and 4 filters per unit, all completed within those 24 months.
Full two-year price
Fresno County: $170 per unit. Outside Fresno County: $200 for the first unit and $190 for each additional unit. These totals cover both years.
Who qualifies
New ESA customers and former customers whose last agreement ended at least 24 months before signup. Current ESA customers don’t qualify for this special.
Signup dates
September 23 through December 31, 2026.
Payment
The full price is due at the first visit.
Cancellation
If you cancel after the agreement begins, unused visits and filters are forfeited, with no refund except where the law requires otherwise.
Selling your home
Remaining service transfers to the new owner. The original 24-month deadline still applies.
Renewal
Nothing renews automatically. The office contacts you to confirm before anything renews or is charged.

Each unit needs its own agreement. A two-unit home in Fresno County pays $340 total for both units for the full two years.

Call to enroll in the two-year special

Regular annual ESA plan

This is the standard one-year plan. It’s separate from the current two-year special.

Duration and work
12 months from signup. 2 seasonal maintenance visits and 2 filters per unit: one cooling checkup and one heating checkup.
Annual price
Fresno County: $170 per unit. Outside Fresno County: $200 for the first unit and $190 for each additional unit.
Enrollment
Call the office for the regular annual plan, including if you don’t qualify for the current two-year special.
Payment and terms
The office explains payment timing and cancellation or transfer terms before you enroll. Ask which plan applies to your agreement.
Renewal
Nothing renews automatically. The office contacts you to confirm before anything renews or is charged.
Call about the annual ESA plan

What your maintenance visits include

Your technician checks the equipment that heats and cools your home, replaces the plan’s filter, and explains what they find. Checks depend on your equipment and access.

Cooling checkup

Check coils for obstructions, electrical connections, refrigerant operating pressures, and the temperature of air entering and leaving the system. Coil washing is optional when needed.

Heating checkup

For gas furnaces, inspect exhaust, burners, ignition, gas connections, and safety controls. Check blower operation and the startup and shutdown sequence.

Heat pumps and ventilation

For heat pumps, check cooling operation, heating components, and the defrost sequence. Ventilation checks include filters, belts, bearings, and motor operation where fitted.

What other ESA benefits are included?

ESA customers receive priority scheduling, service records, and 10% off replacement parts. The parts discount doesn’t apply to labor or new systems. Priority scheduling doesn’t promise a specific response time.

What if the technician finds a problem?

The technician explains what they find. Ask for the repair scope and price before approving work beyond routine maintenance.

Do I enroll or pay online?

Call the office to enroll. We don’t sell ESA plans or book appointments online. Staff reviews the applicable plan terms with you, sets up the agreement, and arranges your first service appointment.

How to enroll and arrange your first visit

  1. Call the office

    Give us your service address and the number of units. Ask for the two-year special or the regular annual plan.

  2. Review the applicable terms

    The office confirms eligibility, total price, duration, included visits and filters, payment details, and the terms for your agreement.

  3. Confirm your first appointment

    Staff will arrange your first visit with you and give you a confirmed date and time. Leaving a message is a request for enrollment, not a booked appointment. The office can follow up by phone or text.

Call the office to set up your ESA

Tell us your city and how many units you have. We’ll explain the applicable plan and arrange your first maintenance visit.