--- title: Specification Library | Marley Engineered Products description: Discover the best electric heat product for your space from Marley's specified floor-to-ceiling heating and ventilation solutions, by utilizing the Specification Library --- # **Marley Engineered Products Specification Library** The specification sheets define Marleys' heaters and the technical requirements for the design, fabrication, inspection, testing, cleaning, painting, packaging, and delivering of electric heaters complete with all associated appurtenances as specified herein. ## Specification Sheets --- ![logo-qmark@2x](https://hub.marleymep.com/hs-fs/hubfs/logo-qmark@2x.png?width=157&height=67&name=logo-qmark@2x.png "logo-qmark@2x") CU Series: Custom Cabinet Unit Heater [![Download now](https://no-cache.hubspot.com/cta/default/7172264/dd7ccef3-1da0-4e09-b9fd-160b352dca2b.png)](https://cta-redirect.hubspot.com/cta/redirect/7172264/dd7ccef3-1da0-4e09-b9fd-160b352dca2b) DBA/SHA Series: Architectural Convection Heater [![Download now](https://no-cache.hubspot.com/cta/default/7172264/b7f4f636-a3b4-4962-bdc9-9a18746fac1d.png)](https://cta-redirect.hubspot.com/cta/redirect/7172264/b7f4f636-a3b4-4962-bdc9-9a18746fac1d) MSPH Series: Plenum Heater [![Download now](https://no-cache.hubspot.com/cta/default/7172264/b35f36f0-8d96-4460-a59d-f259be5977b3.png)](https://cta-redirect.hubspot.com/cta/redirect/7172264/b35f36f0-8d96-4460-a59d-f259be5977b3) Open Coil Duct Heater [![Download now](https://no-cache.hubspot.com/cta/default/7172264/a2db4b2e-87c6-4533-ac12-a707b08c81d0.png)](https://cta-redirect.hubspot.com/cta/redirect/7172264/a2db4b2e-87c6-4533-ac12-a707b08c81d0) THX Series: In-Floor Convection Trench Heater [![Download now](https://no-cache.hubspot.com/cta/default/7172264/6fab0f5e-c934-4dd1-b0cd-ad2e6b17c2fc.png)](https://cta-redirect.hubspot.com/cta/redirect/7172264/6fab0f5e-c934-4dd1-b0cd-ad2e6b17c2fc) ![logo-berko@2x](https://hub.marleymep.com/hubfs/logo-berko@2x.png "logo-berko@2x") ASL3/ASL5 Series: Architectural Convection Heater [![Download now](https://no-cache.hubspot.com/cta/default/7172264/385a98f8-f372-4385-b3a2-ff8fc72e5626.png)](https://cta-redirect.hubspot.com/cta/redirect/7172264/385a98f8-f372-4385-b3a2-ff8fc72e5626) BPH Series: Plenum Heater [![Download now](https://no-cache.hubspot.com/cta/default/7172264/4dd32d5f-de0d-4c6b-b3a3-2349ddff4757.png)](https://cta-redirect.hubspot.com/cta/redirect/7172264/4dd32d5f-de0d-4c6b-b3a3-2349ddff4757) CUH Series: Custom Cabinet Unit Heater [![Download now](https://no-cache.hubspot.com/cta/default/7172264/dc6bf1e1-b8f2-4d44-ac50-821b8e6c1630.png)](https://cta-redirect.hubspot.com/cta/redirect/7172264/dc6bf1e1-b8f2-4d44-ac50-821b8e6c1630) Open Coil Duct Heater [![Download now](https://no-cache.hubspot.com/cta/default/7172264/81521ce2-222b-448b-a971-968ce804a5d4.png)](https://cta-redirect.hubspot.com/cta/redirect/7172264/81521ce2-222b-448b-a971-968ce804a5d4) THX Series: In-Floor Convection Trench Heater [![Download now](https://no-cache.hubspot.com/cta/default/7172264/0753380e-dea9-4154-b410-9499256c63fd.png)](https://cta-redirect.hubspot.com/cta/redirect/7172264/0753380e-dea9-4154-b410-9499256c63fd) For ongoing news and education from Marley and the HVAC industry, visit our blog. [![Read more](https://no-cache.hubspot.com/cta/default/7172264/fd8c3467-5440-4bb5-bcbe-2e574a7f9dfc.png)](https://cta-redirect.hubspot.com/cta/redirect/7172264/fd8c3467-5440-4bb5-bcbe-2e574a7f9dfc) Contact a comfort specialist today.   [![Contact us](https://no-cache.hubspot.com/cta/default/7172264/b50cf041-1e9f-47f6-9a33-1e8c862ad96f.png)](https://cta-redirect.hubspot.com/cta/redirect/7172264/b50cf041-1e9f-47f6-9a33-1e8c862ad96f) Explore Marley heating and ventilation products. [![Go now](https://no-cache.hubspot.com/cta/default/7172264/06f06ee0-aed3-420b-b288-8c67d012c53a.png)](https://cta-redirect.hubspot.com/cta/redirect/7172264/06f06ee0-aed3-420b-b288-8c67d012c53a) © 2015-2020, Marley Engineered Products