Exhibit 12.1

Ratio of Earnings to Fixed Charges

Rotech Healthcare Inc.

(In thousands)



|                                               |  |                                |          |       |                                  |      |                         |      |   |        |  |   |         |  |   |        |  |   |          |   
|---------------------------------------------- |  | ------------------------------ | -------- | ----- | -------------------------------- | ---- | ----------------------- | ---- | - | ------ |  | - | ------- |  | - | ------ |  | - | -------- | --
|                                               |  | PredecessorCompany(1)          |          |       | Successor Company(1)             |     
|                                               |  | Three MonthsEndedMarch 31,2002 |          |       | Nine MonthsEndedDecember 31,2002 |      | Year Ended December 31, |     
|                                               |  |                                |          | 2003  |                                  | 2004 |                         | 2005 |   | 2006   | 
|Ratio of Earnings to fixed charges             |  |                                |          |       |                                  |      |                         |      |   |        |  |   |         |  |   |        |  |   |          |   
|Pretax earnings (loss)                         |  | $                              | (156,543 | )     |                                  | $    | 29,053                  |      | $ | 15,338 |  | $ | 63,574  |  | $ | 9,159  |  | $ | (572,907 | ) 
|Add:                                           |  |                                |          |       |                                  |      |                         |      |   |        |  |   |         |  |   |        |  |   |          |   
|Fixed charges                                  |  |                                | 1,900    |       |                                  |      | 40,333                  |      |   | 49,999 |  |   | 41,253  |  |   | 41,039 |  |   | 46,178   |   
|                                               |  |                                |          |       |                                  |      |                         |      |   |        |  |   |         |  |   |        |  |   |          |   
|Total earnings (loss)(A)                       |  | $                              | (154,643 | )     |                                  | $    | 69,386                  |      | $ | 65,337 |  | $ | 104,827 |  | $ | 50,198 |  | $ | (526,729 | ) 
|                                               |  |                                |          |       |                                  |      |                         |      |   |        |  |   |         |  |   |        |  |   |          |   
|Interest expense                               |  | $                              | 14       |       |                                  | $    | 33,556                  |      | $ | 41,884 |  | $ | 33,967  |  | $ | 32,694 |  | $ | 36,907   |   
|Estimate of the interest within rental expense |  |                                | 1,886    |       |                                  |      | 6,777                   |      |   | 8,115  |  |   | 7,286   |  |   | 8,345  |  |   | 9,271    |   
|                                               |  |                                |          |       |                                  |      |                         |      |   |        |  |   |         |  |   |        |  |   |          |   
|Total fixed charges(B)                         |  | $                              | 1,900    |       |                                  | $    | 40,333                  |      | $ | 49,999 |  | $ | 41,253  |  | $ | 41,039 |  | $ | 46,178   |   
|                                               |  |                                |          |       |                                  |      |                         |      |   |        |  |   |         |  |   |        |  |   |          |   
|Ratio (A/B)                                    |  |                                | (81.39   | )x(2) |                                  |      | 1.72x                   |      |   | 1.31x  |  |   | 2.54x   |  |   | 1.22x  |  |   | (11.41   | )x

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|(1) | Our predecessor, Rotech Medical Corporation, emerged from bankruptcy on March 26, 2002 and subsequently transferred to Rotech Healthcare Inc. substantially all of its assets
used by it in connection with its businesses and operations (including the stock of substantially all of its subsidiaries), in a restructuring transaction. The Predecessor Company refers to the business and operations of Rotech Medical
Corporation and its subsidiaries for all periods prior to April 1, 2002 and Successor Company refers to the business and operations of Rotech Healthcare Inc. and its subsidiaries for all periods after March 31, 2002.
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|(2) | The dollar amount of the deficiency (pretax loss) for the three months ended March 31, 2002 was $156,543. Such amount includes approximately $182,291 of reorganization expense
to write-down the Predecessor Companys assets to fair market value.
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