Your Qualified Experts in Air Conditioning, Heating, and Major Appliances in Dallas, Texas Since 1974

 
For Furnace repair in Dallas TX, like us on Facebook!
See what your neighbors think about our Appliance service in Rockwall TX on Google Reviews.
To schedule your AC installation in Plano TX, just email us!
Read what your neighbors say about the Furnace repair or installation we performed near Plano TX on Yelp!
For the best Appliance replacement in Dallas TX, choose a BBB rated company.
 
For Immediate Service(972) 771-5987

Serving Dallas, Collin, & Rockwall Counties

Serving Dallas, Collin, & Rockwall Counties

Allowable Exposure Levels to Carbon Monoxide

Allowable Exposure Levels to Carbon Monoxide

Allowable (Legal) Limits for Carbon Monoxide

Occupational Safety & Health Administration, USA (OSHA) (for industrial situations) -

Permissible Exposure Limit (PEL, by TWA) - 50 ppm, 8 hrs.
Old PEL Standard (by TWA) - 35 ppm, 8 hrs.
Threshold Limit Value (TLV, by TWA) - 25 ppm (29 mg/cu. m)
(recommended by American Conference of Governmental & Industrial Hygienists ACGIH)
Ceiling (max. value, 15 min.) - 200 ppm (229 mg/cu. m)

MI Occupational Safety & Health Administration (MIOSHA) -

PEL (Industry, by TWA) - 35 ppm, 8 hrs. (38.5 mg/cu. m)
PEL (Construction, by TWA) - 50 ppm, 8 hrs. (55 mg/cu. m)
Ceiling (max. value) - 200 ppm (229 mg/cu. m)

Environmental Protection Agency, USA (EPA) -

Domestic, outdoor air, all ages (TWA) - 9 ppm*, 8 hrs.
Domestic, outdoor air, all ages (TWA) - 35 ppm, 1 hr.

World Health Organization (WHO) -

Domestic, outdoor air, all ages (TWA) - 9 ppm*, 8 hrs.

American Society of Heating, Refrigeration & Air Conditioning Engineers (ASHRAE) -

Indoor air (leakage at a heat register) - 9 ppm

American Gas Association -

Indoor air (leakage at a heat register) - 15 pm


TWA - Computed by making measurements at intervals over 8 hours, then adding the sums of the concentrations and the intervals, and dividing by 8 hours (480 min.). * Based on several published studies of people with coronary ischemic disease showing ECG changes during moderate exercise when breathing concentrations of CO giving 3% COHb.
 
We Provide 24/7 Emergency Service
  We Provide 24/7 Emergency Service
 
Payment Options
 
For Furnace in Dallas TX, we accept most major credit cards.
 
We accept check for Appliance repair service provided in Rockwall TX.
We accept cash for Heat pump repair service provided in Plano TX.
 
Financing Options
 
 
Contact Info
 
Address:  2701 Fondren Dr. #133
Dallas, TX 75206
Toll Free:  (877) 284-7881
License:  TACL B003632C
Connect with Us
 
For Furnace repair in Dallas TX, like us on Facebook!
See what your neighbors think about our Appliance service in Rockwall TX on Google Reviews.
To schedule your AC installation in Plano TX, just email us!
Read what your neighbors say about the Furnace repair or installation we performed near Plano TX on Yelp!
For the best Appliance replacement in Dallas TX, choose a BBB rated company.
 
Address:  2701 Fondren Dr. #133
Dallas, TX 75206
Toll Free:  (877) 284-7881
License:  TACL B003632C
 
For Furnace repair in Dallas TX, like us on Facebook!
See what your neighbors think about our Appliance service in Rockwall TX on Google Reviews.
To schedule your AC installation in Plano TX, just email us!
Read what your neighbors say about the Furnace repair or installation we performed near Plano TX on Yelp!
For the best Appliance replacement in Dallas TX, choose a BBB rated company.
 
 
 
Payment Options
 
For Furnace in Dallas TX, we accept most major credit cards.
 
We accept check for Appliance repair service provided in Rockwall TX.
We accept cash for Heat pump repair service provided in Plano TX.
 
Financing Options
 
Contact Info
 
Address:  2701 Fondren Dr. #133
Dallas, TX 75206
Toll Free:  (877) 284-7881
License:  TACL B003632C
Connect with Us
 
For Furnace repair in Dallas TX, like us on Facebook!
See what your neighbors think about our Appliance service in Rockwall TX on Google Reviews.
To schedule your AC installation in Plano TX, just email us!
Read what your neighbors say about the Furnace repair or installation we performed near Plano TX on Yelp!
For the best Appliance replacement in Dallas TX, choose a BBB rated company.
 
Address:  2701 Fondren Dr. #133
Dallas, TX 75206
Toll Free:  (877) 284-7881
License:  TACL B003632C
 
For Furnace repair in Dallas TX, like us on Facebook!
See what your neighbors think about our Appliance service in Rockwall TX on Google Reviews.
To schedule your AC installation in Plano TX, just email us!
Read what your neighbors say about the Furnace repair or installation we performed near Plano TX on Yelp!
For the best Appliance replacement in Dallas TX, choose a BBB rated company.
 
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Home   |   Email Us   |   Schedule Service
Get a Quote   |   Maintenance   |   Guarantees
Employment   |   Search Site