MyHome comes with 800+ Google Fonts. You can simply choose it in your MyHome Theme Panel:

If you would like to use another font that is not available, please embed it and then use following CSS code to change it:

body,
button,
input,
optgroup,
select,
textarea,
.mh-accordion .ui-accordion-header,
.mh-estate-horizontal__subheading,
.mh-estate-horizontal__primary,
.mh-estate-vertical__subheading,
.mh-estate-vertical__primary,
.mh-map-infobox,
.mh-user-panel-info__heading,
.mh-font-body {
font-family: "name of the new font that replace default Lato font"!important;
}

h1,
h2,
h3,
h4,
h5,
h6,
.mh-estate__details__price,
.mh-top-header,
.mh-top-header-big__panel,  
.mh-caption__inner,
.mh-slider-single__price,
.mh-heading-font-bold,
.mh-search__results,
.mh-user-panel__user__content {
font-family: "name of the new font that replace default Play font"!important;
}