Grau Mechanical Enterprises

(904) 388-1616

Jacksonville, FL


HVAC Specialist

Commercial HVAC Design
Installation
Industrial Ventilation


Carrier Authorized Dealer

We are a Carrier Factory Authorized Dealer. 
We stand behind our
products and service. 
More importantly,
Carrier does too!


Environmentally Friendly

The solutions we offer
provide cleaner,
healthier air – both inside
AND outside.

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Frequently Asked Questions

For answers to questions not listed in our FAQ section, please call or submit your inquiry using our Residential Request Form. For commercial inquiries, please call.


What is Puron?

It is the environmentally friendly refrigerant and the world's first long-term solution to ozone depletion. According to the clean air act of 1990, Freon-22 and other harmful refrigerants will be phased out of use and homeowners will soon have to turn to Puron refrigerant to maintain indoor comfort systems.

What is a SEER?

SEER is an abbreviation for season energy efficiency rating and is a measure of how efficient a unit operates. A 16 SEER product for example would be more efficient than a 13 SEER unit.

Can I place plants around my outdoor heat pump?

Yes, but make sure you keep clearance for proper airflow.

Will my new system be inspected by a city official after the installation?

Yes, the mechanical code requires a final inspection.

What are my payment options?

We accept cash, check, MasterCard, Visa or we can arrange financing.

Can I change my outdoor unit to Puron equipment without changing my indoor Freon evaporator coil?

No. Mixing an outdoor Puron unit with an indoor Freon evaporator coil will cause the new compressor to fail prematurely.

Will you remove my old equipment and dispose of it?

Yes, we remove all old equipment and recover any refrigerant according to EPA guidelines.

How much will a 13 SEER A/C save me over my current system?

Typically most of the older units we replace have ratings of 8-10 SEER, so you could expect savings in the 30-40% range on your cooling bill. Actual savings will depend on the efficiency of your system compared to the efficiency of a new system.

Should I have a service contract?

Absolutely! Your heating and cooling system need regular service for a long durable life. The manufacturer recommends maintenance every 6 months. Regular maintenance is required for warranty claims.

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