Your Organization Name Here
DEEM HEATINGandAIR CONDITIONING
Deem Heating &
Air Conditioning
1-800-333-6486
FAX 1-410-213-0750
We are a service, sales and installation company that services
all makes and models of heating and air equipment .We also
design and install complete duct systems for Residential,
Modular and Manufactured  Homes.
Family Owned and Operated for over Fifty Years   
Let our Family keep your Family Comfortable Year round
Contact us toll free at
1-800-333-6486
Parts and Equipment For GIBSON Models
Parts and Accessories for TAPPAN
GoTo Gas and Oil furnaces
GoTo 90+ Gas Furnaces
GoTo Gas/Electric Package Units
GoTo Split System A/C Or H/P Units
We Stock Parts For All Models of MILLER
Deem Heatingand Air's 1st work van
DISTRIBUTOR
SINCE
1948
MEDALLION
INSTOCK Parts and Accessories for all COLEMAN Models
Parts and Sales available for all makes during regular
business hours
8am -4:30pm Monday -Friday
Service 7 Days a Week
410-213-2437 or 1-800-333-6486
We Stock Parts For All Models Of INTERTHERM
Package Units
90+ Units
Gas/Oil Furnaces
Split Systems
CMF Gas and Oil Furnaces in stock at all times
CMF/GAS/OIL
Self Contained Air Conditioners and Heat Pumps in stock at all times
PACKAGE A/C -H/P
Indoor Air Handlers in stock at all times
AIR HANDLERS
Broan Heating&cooling Equipment &Parts
Counter
You need Java to see this applet.

MAINTENANCE TIPS
Call us NOW to schedule a precision tune-up on your system.

Turn unit on prior to extreme warm weather to be sure it is cooling properly.

Set thermostat on auto and cool.  
Set temperature between 76 and 78 degrees when the home/office is occupied.  
Set temperature slightly higher (80 – 82) when the home/office is unoccupied. Keeping
the unit on will prevent it from working too hard to cool down the entire home/office.
For example, it is easier to cool down a home/office that is 80 degrees versus one that is
90 degrees.
Filters
Type of Filter             Check  Change/Clean  

Disposable                            Monthly    As needed, but not less than once every three months  
Media                                    Monthly  Yearly  
Electronic & Electrostatic  Monthly  As needed  

NOTE:
IF YOU APPEAR TO BE HAVING A PROBLEM WITH YOUR AIR CONDITIONER, FOR EXAMPLE,
THE UNIT IS NOT TURNING ON OR YOU ARE NOT GETTING ANY COOLING. YOU CAN CHECK
THESE ITEMS:

CHECK YOUR FILTER TO MAKE SURE IT IS CLEAN AND NOT OBSTRUCTING AIRFLOW.

MAKE SURE THE THERMOSTAT IS IN THE AUTO POSITION AND SET TO COOLING MODE.

CHECK THE BREAKER/CIRCUIT BOX, MAKE SURE THE BREAKER FOR THE AIR CONDITIONER
IS ON (NOT TRIPPED).

IF YOU STILL SEEM TO BE HAVING A PROBLEM, YOU WILL NEED TO CALL THE OFFICE FOR A
SERVICE CALL!
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Let Us keep Your Home comfortable year round